On January 12, 2019, the year-end summit of China's coating industry chain was successfully held in Shenzhen, with more than 200 upstream and downstream enterprises and nearly 1000 people participating in the summit. As a special guest of the organizer, the leaders of the company made a speech on the forum with the theme of "Discussion on the Application of Optical Films in the 5G Era". In the speech, the company leaders first introduced the company profile, development history, business layout and competitive advantages of Double Star. Then, the innovation advantages of Double Star in the direction of optical substrate in the 5G background era are described in detail, including the competitive advantages in product, R&D and application. And for the future development and competition of optical film enterprises, the strategic planning, overall layout, competitive development advantages and other aspects are analyzed.