Beijing Guojing Infrared Optical Technology Co., Ltd.

[ Manufacturer ]Main business are Infrared optical materials

Dalian Danning Photoelectric Co., Ltd.

[ Manufacturer ]Main business are ZnSe, GaAs, Ge, SiO2, LuAiO3, Sapphire, YSZ, SrTiO3, MgO.

Jinangsu Nanjing Infrared Optical Instrument Co., Ltd.

[ Manufacturer ]Main business are Spectacle lens

Beijing Fuxingkai Yongxing Photoelectric Technique Co., Ltd

[ Manufacturer ]Main business are Film-coating material