Polyimide film is called "gold film" by the industry. As a polymer insulating material, it is widely used in flexible printed circuit boards, aerospace, new energy vehicles, military industry and other fields, but its manufacturing technology has been monopolized by the United States and Japan in the past. .
China's leading manufacturer of biaxially oriented polyimide film: SDZY has successfully developed corona-resistant polyimide films and various new polyimide films with independent intellectual property rights through cooperation with NB Materials of the Chinese Academy of Sciences. This technology is monopolized by giants such as "DuPont" in the United States.
In 2017, the company purchased more than 300 acres of land to build new factories and new production lines.
The project was successfully put into production at the end of June 2018, and the sales revenue that year exceeded 1 billion yuan.