SPC Vavilov State Optical Institute, Vavilov GOI

 , RU Manufacturer
Optical glass, optical and laser crystals. Optical fibers and quartz capillaries. Quartz and scintillation ceramics.

Qinhuangdao Intrinsic Crystal Technology Co., Ltd

 , CN Manufacturer
Fluoride, Si, Ge, ZnS, ZnSe and other infrared materials; Crystal raw material preparation, crystal growth, element primary processing, finishing processing, coating and device industry chain closed loop.