GRINM Electro-optic Materials Co., Ltd. (GRIEOM)

 , CN Manufacturer,  Custom Manufacturer
Manufacturer of large-diameter infrared germanium monocrystal material, HB-GaAs, GaP, low dislocation germanium monocrystal, and VGF-GaAs monocrystal.

PHOSTEC, s.r.o

 , SK Manufacturer
High-pressure equipment and technology for the manufacturing of A3B5 phosphide and the development of HT CVD deposition technology (PG, PBN).