At 10:38 a.m. on June 10, 2021, the Company's 200 million square meter optical film project D-5 Workshop and D-8 Workshop were officially put into operation. The D-5 and D-8 workshops put into operation this time are the key production workshops of the 200 million optical diaphragm project, with an annual output of 10 million square meters of large optical diaphragm and 60 million square meters of high-end prism and composite diaphragm. The operation of this workshop will make the optical diaphragm product structure better and meet the growing market demand of key customers faster. After being put into operation, it will lay a firm foundation for the implementation and completion of the optical diaphragm 99 and 666 projects proposed by the company, and add new impetus to the optical diaphragm project with a revenue of more than 2 billion yuan.