Hellma GmbH & Co. KG

 , DE Manufacturer
Scintillation Crystals: CeBr3, CaF2:Eu, BaF2, LBC. Optical materials: CaF2, BaF2, CVD ZnSe and ZnS, Yb3+:CaF2. Optical glass and components. Laboratory supplies.

Alkor Technologies Ltd

 , RU Manufacturer
CaF2, BaF2, MgF2 crystal growing. Optical components

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.