Recently, the State Administration for Market Regulation released the 2023 Excellent Cases of Inspection and Testing to Promote Economic and Social Innovation and Development. The cases cover all major areas of inspection and testing, and refine the advanced practices and experiences of various inspection and testing institutions in promoting the improvement of industrial chain and supply chain, serving high-level scientific and technological self-reliance, improving the quality of business entities, keeping a solid safety bottom line, helping to build a new development pattern of dual circulation, and serving market supervision. They are representative and can be replicated and promoted.

In recent years, China's inspection and testing industry has developed rapidly, its structure has been continuously optimized, its market mechanism has been gradually improved, and its comprehensive strength has been continuously enhanced. In the process of serving the innovative development of the economy and society, inspection and testing institutions have taken the initiative, actively explored, dared to innovate, and dared to break through. A large number of excellent cases have emerged, forming a series of advanced experiences that can be replicated and promoted. From these cases, we can see that some institutions have strengthened core technology research, broken through the "stuck neck" technical bottleneck, and achieved independent control of key inspection and testing technologies; some have focused on industrial development and people's livelihood needs, and provided solutions for the design, research and development, production, and use of new products throughout the life cycle; some have continuously optimized the model and strived to provide "one-stop" services to support the development of small and medium-sized enterprises and regional economies; some have played a role in quality control to escort the construction of major national projects; some have played a role in technical leadership and support, focusing on solving key common technical problems across industries and fields, and deeply integrating and developing with national strategic emerging industries. Based on the needs of economic and social development, the majority of inspection and testing institutions have played their technological advantages and made positive contributions in improving product quality, promoting industrial upgrading, protecting the ecological environment, and promoting high-quality economic and social development.

The release of this outstanding case aims to give full play to the demonstration and leading role, promote the formation of a good atmosphere of mutual learning and learning among various inspection and testing institutions, further expand the scope of services, innovate service forms, enrich service content, comprehensively improve the credibility and professional level of inspection and testing, further demonstrate the value of inspection and testing work, and contribute to the comprehensive promotion of Chinese-style modernization.

Case Introduction

1. Solve the problem of aerospace material testing and ensure the quality of major national projects. CESI Laboratory of China Electronics Standardization Institute relies on scientific research projects such as weapon equipment pre-research, quality engineering, common technology research and technical foundation to carry out systematic research on three major basic problems in the test evaluation and development of domestic non-metallic materials for aerospace: "China does not have applicable thermal vacuum outgassing test methods", "China does not have thermal vacuum outgassing test equipment that meets the special environmental requirements of aerospace electronic components" and "China does not have a domestic material outgassing database". It independently developed China's first thermal vacuum outgassing test equipment that meets the special environmental requirements of aerospace electronic components, established China's first open thermal vacuum outgassing database covering non-metallic materials mainly used in aerospace electronic components, and focused on solving the "bottleneck" problems of test methods, equipment and core key test data in the selection of materials for space environment, realizing the detection, assessment and evaluation of domestic aerospace materials, and providing strong guarantees for the quality reliability of major national projects.

2. Research on the core technology of high-temperature alloy analysis, testing and characterization, and build the NQI system for aviation engine materials. Gangyan Nake Testing Technology Co., Ltd. has tackled the core technology of high-temperature alloy analysis, testing and characterization, opened up key links from high-temperature alloy raw material analysis, smelting and process quality control, finished product analysis to component inspection, etc., and built a "full industry chain, full process, full life cycle, and full domain" national quality infrastructure (NQI) technology system for high-temperature alloys with inspection and testing services as the link and standard system construction as the core, forming a series of standards, specifications, methods and tools to realize the integrated application demonstration of high-temperature alloy analysis, testing and characterization core technology in high-temperature alloy material research and development and component development. Successfully achieved the precise analysis capability and standard sample determination capability of more than 50 trace elements, meeting the detection needs of trace analysis of national strategic new materials such as high-temperature alloys and high-purity substances in the fields of aviation, nuclear power and semiconductors. It has completed more than 300 important national projects, is responsible for the formulation and revision of more than 170 national standards and industry standards, and convened and formulated 8 international standards of the International Organization for Standardization (ISO) on behalf of China, providing important support for the quality infrastructure to improve the quality stability and market competitiveness of China's high-temperature alloy material products.

3. Empower the wind power industry and take the road of "carbon" to see the future. Shanxi Mechanical Product Quality Supervision and Inspection Station Co., Ltd. adheres to the problems and needs faced by the wind power industry. Aiming at the problems of high subjective dependence and time-consuming and labor-intensive non-destructive testing in the field of wind power, it strengthens the cooperation between industry, academia, research and application. Through a large number of testing practices, it proposes a weld defect auxiliary identification method based on ultrasonic signal multi-domain analysis and model self-optimization and an automatic construction key technology of X-ray stainless steel weld defect semantic segmentation model, develops an intelligent non-destructive detection system for weld defects, effectively reduces the reliance on subjective human factors in the defect identification process, further improves the credibility of defect identification results, provides technical guarantee for the factory quality of wind power products, and promotes the transformation and upgrading of high-end equipment manufacturing and wind power equipment industries in Shanxi Province.

4. Break through the bottleneck of detection technology and help implement the strategy of building a strong maritime nation. Northern Test Alliance Testing Technology (Liaoning) Co., Ltd. has taken the lead in breaking through technical bottlenecks such as quantitative characterization of microalgae cell activity, optofluidic cell microscopy imaging, and microfluidic impedance pulse sensing through close integration of production, academia, research and application, independent innovation and research, and developed a "complete set of technical equipment for rapid detection of marine microorganisms on ships", built a microfluidic biological pollution rapid detection system, and achieved rapid and accurate determination of samples such as ship ballast water, seawater and drinking water, providing strong technical equipment support for strengthening the government's ability to fulfill its obligations, improving the efficiency of maritime law enforcement, and helping the "strategy of building a strong maritime nation".

5. Based on the detection and research of bio-based products, promote the development of a low-carbon, efficient and circular economy. Jilin Product Quality Supervision and Inspection Institute is committed to the testing and technical services of bio-based plastics, plastic food-related products, bio-based fuels, and bio-based platform compounds. It takes advantage of its technology to actively undertake major national scientific research instrument development projects, and independently develops two degradation equipment such as biodegradation test systems, which promotes the solution of the common problems of degradation equipment such as high prices, poor automation, and low stability. It focuses on promoting the construction of a standardization system in the bio-based field, participates in the formulation and revision of 15 national standards for plastics, and presides over the formulation of 4 local standards for biodegradable materials and polylactic acid products.

6. "Sky and Ground" help "precision governance" to make river pollutants "clear at a glance". Relying on the provincial key laboratory of "Transboundary River Simulation and Monitoring" and the "Satellite and UAV Remote Sensing Monitoring Platform", the Heilongjiang Academy of Environmental Sciences selected representative rivers in Heilongjiang Province, and obtained UAV multispectral image data and measured water sample data through a series of technical solutions such as on-site sampling, air-ground data coupling, and water quality parameter inversion. The applied research of multispectral remote sensing equipment in the qualitative assessment of water environment and quantitative inversion technology of water quality parameters was completed, and the GIS (geographic information system) visualization of river eutrophication and black and odor pollution results was realized, which greatly reduced the cost of data collection for quantitative analysis of river water quality, and provided new technical means for water pollution warning, water environment protection and governance.

7. Develop a melt physical property detection system for the Chinese space station to promote basic research in space material science. The Testing Center of Shanghai Institute of Ceramics, Chinese Academy of Sciences, has created the "Containerless Material Experiment Cabinet" melt property detection system for the Chinese Space Station, which realizes high-precision detection of parameters such as density, surface tension and viscosity of high-temperature melts of materials, provides important judgment basis for the study of phase change during the solidification process of various cutting-edge materials and major demand materials, and provides reliable data support for the study of material phase separation and macroscopic segregation behavior, as well as microscopic crystal structure and macroscopic physical property uniformity. After 6 and a half years of ground-based efforts and 2 years of on-orbit debugging, the "Containerless Material Experiment Cabinet" melt property detection system has reached the international advanced level in terms of on-orbit detection uncertainty indicators, successfully providing basic data guarantee for China's research on a variety of new materials and future development of materials science.

8. Break through the technical difficulties in detecting new pollutants in drinking water and help Shanghai's water supply quality continue to improve. Shanghai National Engineering Center for Urban Water Resources Development and Utilization Co., Ltd. has overcome technical difficulties such as sensitivity and rapid detection of new pollutants in drinking water, developed more than 180 new pollutant detection methods in drinking water, compiled 2 local standard detection methods and 1 group standard detection method, filling the gap in detection technology in China and leading the innovation of detection technology standards. Through the research on risk monitoring and prevention and control technology of new pollutants in drinking water, a long-sequence database of new pollutant characteristics in Shanghai was established to support the implementation of deep treatment process transformation of water plants and help Shanghai achieve the goal of high-quality drinking water quality.

9. Build an intelligent testing and verification platform to ensure the safety of intelligent networked vehicles. The Traffic Management Science Research Institute of the Ministry of Public Security takes the National Intelligent Transportation Comprehensive Test Base as the core, features cross-industry, industry-university-research integration and co-construction, and focuses on supporting the integrated inspection and testing of the Yangtze River Delta. It builds real vehicle-level, virtual simulation, information security and other test environments and systems for vehicle networking (intelligent networked vehicles) testing and verification and demonstration applications, integrates R&D test scenario libraries, typical vehicle functions, multi-level information interaction and other test tools, and effectively improves the efficiency and safety of intelligent networked vehicle testing and verification. Prepare the "Guidelines for the Construction of the National Internet of Vehicles Industry Standard System (Vehicle Intelligent Management)" and a series of standards for the safe operation of intelligent networked vehicles, guide the public security traffic management work in the fields of registration management, identity authentication, road operation and vehicle-road collaboration related to the implementation of intelligent networked vehicles, and comprehensively ensure the safety of road testing and demonstration applications of intelligent networked vehicles.

10. Build a high-end hydraulic component testing platform to promote the import substitution of core basic parts. In response to common industry problems such as low hydraulic motor detection accuracy and insufficient evaluation standards, Ningbo Product and Food Quality Inspection Institute independently designed and built a high-power hydraulic motor comprehensive performance test bench to break the technical blockade of high-integration hydraulic motor detection platforms, establish a hydraulic motor key technical indicator evaluation system compatible with international standards, and promote the overall quality improvement and technical upgrading of internal curve hydraulic motors. In conjunction with Zhejiang University and upstream and downstream enterprises in the industrial chain, jointly undertake the key project of "High-Performance Manufacturing Technology and Major Equipment" of the National Key R&D Program, and promote the independent control of key manufacturing and testing technologies for internal curve hydraulic motors. Represent China in the international joint verification of hydraulic motor export displacement, and strive to enhance China's voice in international standards.

11. Develop an ultra-high pressure hydrogen cycle fatigue test system to lay a solid foundation for the development of the hydrogen energy industry. Hefei General Machinery Research Institute Co., Ltd. conducts research on technical directions such as the foundation of hydrogen energy storage and transportation equipment, high-performance design and manufacturing of hydrogen energy storage and transportation equipment, and long-term safety assurance of hydrogen energy storage and transportation equipment. It overcomes key technologies such as high-strength steel material composition regulation and strength-toughness matching, overall forging and heat treatment, multi-modal ultrasonic phased array detection, and ultra-high pressure hydrogen self-tightening sealing. It develops China's first ultra-high pressure hydrogen cycle fatigue test system for hydrogen energy storage and transportation equipment, establishes hydrogen cycle/leakage/permeation performance testing and quality evaluation methods, and effectively solves the "bottleneck" technical problems of hydrogen cycle fatigue performance testing of domestic equipment, providing important support for quality control of domestic equipment and safety supervision of imported products.

12. Focus on the testing needs of Shaxian snacks and accelerate the transformation and upgrading of characteristic industries that enrich the people. One Product One Code Inspection (Fujian) Co., Ltd. aims to address the long-standing problems of long off-site inspection cycles and high inspection costs for Shaxian snacks products. Focusing on the inspection and inspection needs of Shaxian snacks product research and development, production, standardization, etc., it continues to expand the inspection and inspection business of the Shaxian snacks industry, helping enterprises solve technical problems before, during and after production, and assisting regulatory authorities in food safety inspection data analysis, risk assessment, standard formulation, hidden danger investigation, etc., and jointly with the Shaxian snacks industry union, it has formulated a series of group standards such as "Shaxian Snacks-Steamed Dumplings", "Shaxian Snacks-Steamed Buns", "Shaxian Snacks Prepared Products-Taro Dumplings", and "Shaxian Snacks Public Brand Management Specifications", to promote the transformation and upgrading of the Shaxian snacks industry and grow it into a large industry with an annual turnover of over 50 billion yuan.

13. Promote the connection between the two traditional industries of rare earth and steel, and promote the formation of a characteristic resource industry chain. The National Tungsten and Rare Earth Product Quality Inspection and Testing Center is anchored on the export trade disputes of rare earth products, and develops new methods to detect harmful elements in rare earth products, fills the gap in the field of harmful element detection in China's rare earth products, and breaks the technical barriers to international trade in rare earth products. Participate in the research and development of key technologies for high-quality rare earth steel manufacturing and industrialization projects, develop full-spectrum spark direct reading spectroscopy to quickly determine the yttrium content in rare earth steel, promote the solution of technical problems in the smelting of a large number of rare earth steels and the preparation of rare earth alloys, and promote Jiangxi Province to effectively connect the two traditional industries of rare earth and steel, and take the lead in forming an industrial chain of "characteristic resources-high-quality billets-high-end varieties", leading the development of China's rare earth deep processing and the upgrading of steel product structure.

14. Break through the key technologies of ultra-high temperature material testing and evaluation, and help the rapid development of the aerospace engine industry. China National Testing Holding Group Shandong Co., Ltd. is committed to the research of high-temperature/ultra-high-temperature material reliability evaluation technology around the major needs of China's aerospace engine material testing and evaluation, and strives to solve key technical problems such as service environment simulation, fixture durability design, and deformation measurement. It independently develops ultra-high temperature mechanical performance testing systems, high-temperature water-oxygen corrosion mechanical systems, high-temperature persistent creep testing systems and other ultra-high temperature mechanical performance testing instruments, effectively solving the problem of "unable to measure and inaccurately measure" material performance in extreme environments such as ultra-high temperature and water-oxygen corrosion. Adhering to the technical development path of "technology patenting, patent standardization, and internationalization of standards", it has taken the lead in issuing two ISO international standards, promoting the transformation of scientific and technological innovation results, and helping the rapid development of China's aerospace engine industry.

15. Overcome the technical difficulties in evaluating high-strength crack arrest steel and enhance the competitiveness of domestic large-scale equipment. After more than ten years of technical research, the 725th Research Institute of China Shipbuilding Industry Corporation proposed the large-size double tensile test method and small-size alternative test method for crack arrest performance for the first time in the world, and successfully incorporated them into the relevant specifications of the International Association of Classification Societies and China Classification Society, promoting the technological progress of the manufacturing processes of high-strength thick steel plate smelting, rolling, heat treatment, etc. in China's steel industry, greatly reducing the inspection cost and inspection cycle of crack arrest steel production in steel mills, strongly supporting the safety and reliability design of domestic large-scale equipment, significantly improving the international competitiveness of China's steel, ships and bridges, and promoting China's large container ships to continue to maintain a leading position in the international market.

16. Benchmarking against the world's first-class to strengthen indicator evaluation and improve the performance of domestic robot precision reducers. China Automotive Inspection Technology Co., Ltd. takes the domestic robot harmonic reducer as the improvement object, benchmarks against the world's first-class brands to carry out product performance evaluation and quality comparison, finds common quality problems and gaps in the industry, clarifies the key improvement directions such as process, assembly, inspection and evaluation, and promotes the transmission accuracy of domestic products to increase by 40%, the precision life to increase by 3 times, and the impact life to increase by 68%, reaching the international advanced level. Condense basic and general production and assembly specifications, form standards and related testing specifications, and promote them in the China Robot Industry Alliance and the robot industry to drive the common progress of related industries.

17. Build an intelligent equipment testing system to help the power industry improve quality and efficiency. China Southern Power Grid Research Institute Co., Ltd., through technical standards guidance, testing platform support, quality control implementation, defect rectification and improvement, strives to solve the problems of imperfect technical standards system, lack of basic testing platform, and poor overall equipment operation reliability in the power intelligent equipment industry, and promotes the reliability test pass rate of networked equipment from 38.7% to 90.5%, effectively ensuring the safe and stable operation of the power grid and reliable power supply. Jointly develop testing equipment with manufacturers, develop more than 70 sets of testing equipment such as IEC61850, GB/T28181 and other communication protocol automation testing systems, wind power, photovoltaic, thermal and other sensor performance testing equipment, and intelligent inspection equipment flight and operation performance testing platforms, successfully overcome the problems of inconsistent test interfaces and low efficiency of intelligent equipment, promote the upgrading of basic testing equipment in the power intelligent equipment industry, and promote the large-scale implementation of equipment quality testing.

18. Improve the testing standard system and promote the revitalization of the South Pearl industry. The Beihai Public Inspection and Testing Center of Guangxi Zhuang Autonomous Region takes technological innovation and standardization construction as the starting point, focuses on establishing and improving the South Pearl testing standard system, develops China's first non-destructive testing instrument for pearl bead thickness, innovates 8 testing methods such as pearl grading and golden pearl identification methods, and formulates 12 industry standards, which play a technical support role in the breeding, processing and quality assessment of the South Pearl industry. By formulating and implementing standardized breeding and processing technical specifications and inspection and testing standards, standardize the breeding, processing and sales process of the South Pearl industry, reduce environmental pollution and resource waste, improve the quality, output and benefits of South Pearl, and promote the scale and intensive development of the South Pearl industry.

19. Committed to the research and development of high-end testing instruments to help control heavy metal pollution. Boqiao (Chongqing) Heavy Metal Science and Technology Research Institute Co., Ltd. has independently developed atomic fluorescence analysis methods and testing instruments with water as the carrier to address key and difficult issues such as rapid detection, screening, and public safety emergency response of heavy metal pollution. With the advantages of high efficiency, convenience, environmental protection, and low cost of use, it has reversed the situation in which China's heavy metal detection technology and equipment rely on foreign imports. Based on the advantages of heavy metal detection technology and instruments, it pioneered the "five major elements" of heavy metals, agricultural residues, animal residues, microorganisms, and pathogenic bacteria. For the safety monitoring of the entire life cycle of products and the entire industrial chain, it provides professional-level on-board sample pre-treatment, rapid detection, analysis and data processing and transmission, cloud platform storage and other functions, providing support and guarantee for the supervision of agriculture, environmental protection, and medical fields and the internal control of quality of small and medium-sized enterprises.

20. Give full play to the technical advantages of the national platform to promote the development of the "marine green hydrogen" industry. Chengdu Product Quality Inspection Institute Co., Ltd. gives full play to the technical advantages of the National Petroleum and Natural Gas Product Quality Inspection and Testing Center and the National New Materials Testing and Evaluation Platform (Sichuan Regional Center), overcomes difficulties such as cross-provincial testing and high technical difficulty, effectively solves technical difficulties such as high purity, large current, gas volatilization, sampling and transportation, and installation and commissioning of offshore platforms for testing equipment, and successfully completes the "seawater non-desalination direct electrolysis hydrogen production system" test verification task, in order to accelerate the industrialization process of seawater non-desalination in-situ direct electrolysis hydrogen production, and promote the formation of a multi-energy complementary Chinese original "marine green hydrogen" global emerging strategic industry to provide technical support.

21. Construct a database of heavy metals and their valence states in wild edible fungi to help the development of Yunnan's wild edible fungi industry. Kunming Customs Technical Center (formerly the Inspection and Quarantine Center of Yunnan Entry-Exit Inspection and Quarantine Bureau) conducted a survey on the content of heavy metal elements such as lead, arsenic, mercury, cadmium, and chromium in six types of high-value wild edible fungi in Yunnan Province, including boletus, matsutake, truffles, chicken mushrooms, blue-headed mushrooms, and dry mushrooms, and established a database of heavy metals and their valence states in six major types of wild edible fungi, providing strong technical support for the revision of the heavy metal limit standards for wild edible fungi, promoting the solution to the problem of Yunnan Province's wild edible fungi and their products being difficult to sell on the shelves in China, promoting the sustainable and healthy development of the industry, and driving the increase in income of farmers and herdsmen in surrounding Tibetan areas.

22. Conduct research on the standard system of detection methods to lead the advancement of fuel technology in the power industry. The Quality Supervision and Inspection Center for Coal Used in Power Industry of Xi'an Thermal Engineering Research Institute Co., Ltd. conducts research on the standard system of fuel test methods in the power industry, focusing on the entire process of coal application in the power industry, and promotes the formation of the "Standard System Table for Fuel Test Methods in the Power Industry". It studies and formulates test methods for key characteristic indicators of coal types designed for thermal power plant generator sets, coal test methods for daily fuel quality supervision in thermal power plants, fuel operation management in thermal power plants, and performance technical requirements and performance inspection of fuel sampling and sample preparation instruments and equipment in thermal power plants. Through the innovation and application of relevant testing standards, we will promote the construction of a complete standard system framework for fuel test methods in China's power industry, standardize the supervision and inspection of power fuel quality, and lead the high-quality innovative development of fuel test methods and instruments and equipment in China's power industry.

23. Technological innovation and precision testing will help build a world-class salt lake industrial base. Qaidam Natural Resources Testing Center of Qinghai Province divided the Qaidam Basin salt mineral resources into IV and V level reservoir units for the first time, established the mineralization model of different types of salt mineral resources in the Qaidam Basin, formed the theory of salt lake mineral reservoir system in the Qaidam Basin, and constructed a set of comprehensive identification and evaluation method systems based on "geology-geophysics-geochemistry", which greatly improved the exploration efficiency of salt mineral resources in the Qaidam Basin, promoted major breakthroughs in potassium and lithium prospecting in the Qaidam Basin, and provided technical support for the construction of a world-class salt lake industrial base.

24. Relying on the public technology service platform, empower the development of Xinjiang's silicon-based industry. Xinjiang New Special New Energy Materials Testing Center Co., Ltd. relies on the National New Materials Testing and Evaluation Public Service Platform and the China Key Laboratory of Photovoltaic Materials and Batteries. Through the construction of digital testing systems and "Internet + Testing" service networks, it has built an intensive national new materials testing and evaluation public service platform with open resources, safe and controllable, vertical and professional "one-stop" operation services, and improved the intelligence and high-end level of new materials inspection and testing. Focus on the technical research of inspection and testing methods for silicon-based new materials, form key core technologies, formulate a series of testing standards, and enable the cultivation of innovative talents and high-quality development of silicon-based industries in Xinjiang.

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