Bright Crystals Technology Co., Ltd.

[ Manufacturer ]Main business are Crystal material device and technology used in fields of optical fiber communication, Mobile communication, Display, etc.

Beijing Trans Industry And Trade Co., Ltd.

[ Manufacturer Trader ]Main business are Optical instrument

Beijing Fuxingkai Yongxing Photoelectric Technique Co., Ltd

[ Manufacturer ]Main business are Film-coating material

Beijing Mountain Technical Development Center

[ Manufacturer ]Main business are Optical film plating material

Kunming Jieke Photoelectric Equipment Manufacturing Co., Lt

[ Manufacturer Trader ]Main business are Optical material, Part, Electron device, Precise hardware parts