Chaoyang Baisheng Titanium & Zirconium Co., Ltd.

[ Manufacturer Trader ]Main business are Nonferrous metal

Beijing Fenghe Fireproof Materials Co., Ltd.

[ Manufacturer ]Main business are Crucible

Beijing Zhongcai Artificial Crystal Co., Ltd.

[ Manufacturer Trader ]Main business are Quartz, Yttrium vanadate, Non-linear optical crystals, Diamond & diamond tools.

Beijing Fuxingkai Yongxing Photoelectric Technique Co., Ltd

[ Manufacturer ]Main business are Film-coating material

Beijing Jingdai Trade Co., Ltd.

[ Trader ]Main business are Foundry periphery equipment and/or relevancy assembly.