What kind of enterprise is Dongtianwei?

As far as I know, Dongtianwei is a high-tech enterprise specializing in the production and sales of R&D and precision photoelectric thin film components. It mainly produces camera filters and optical communication components, which can be widely used in consumer electronics, car cameras, security monitoring equipment, optical communication signal transmission, data centers and other application terminal fields. In the field of precision photoelectric thin film components in China, Dongtianwei still enjoys a high reputation. You can find their official website in Baidu.