At 08:18 a.m. on July 27, 2021, the Company's 200 million square meters optical film high function polyester film project line 1904 was officially put into production.

The 1904 line put into production this time is another production line of the company's 200 million optical film high function polyester film project, which has been put into production on the basis of the completion of the comprehensive operation of the two lines. The successful operation of this production line adds new growth points for the company to further build a million ton new material industrial base in the Yangtze River Delta.