In 2020, Shanghai Petrochemical overcame the impact of the epidemic, made every effort to attack and create new results, and actively promoted the research and development of new products. The annual output of polyester for high shrink film exceeded 10,000 tons, an increase of nearly 70%. It reached a record high.

On the basis of steadily advancing the research and development and production of polyester for high shrink film, the company's No. 2 polyester combined plant will continue to strengthen communication with customers in 2020 to continuously open up the market, improve product quality and enhance customer identity. In order to meet the special needs of customers, the device has set up a research group to actively adjust the product structure, improve technology and optimize the process. For the additive system, the device arranges special personnel to accurately adjust according to the ratio to ensure that customers can produce satisfactory film drawing. The device strengthens training, requiring employees to be careful and meticulous in the coordination link, so as not to affect the stability of the additive system. For the reaction process, the device strictly controls the indicators, strengthens real-time monitoring, and timely adjusts the reaction fluctuations to stabilize production and improve product quality.

Polyester with high shrinkage film has high added value, good environmental protection, and is widely used in all kinds of hot seal labels of beverage bottles. At present, the polyester with high shrink film produced by No. 2 polyester has formed a large-scale and serialized, and has been praised by customers.