Giai photonics Co., Ltd is a leading supplier of optics and precision optical components, designing and manufacturing a wide array of optical filters, multi-element lenses, lens coatings. We do this....
fluorescent powder/ phosphor powder/ luminescent powder for lamps and printing Phosphors for daylight fluorescent lamps Calcium halo phosphate phosphor 3Ca3( PO4) 2.Ca( F.Cl) 2: Mn, Sb 2700K....
Shenyang Joinunion Chemical Technology Co., Ltd. is previous Chemical Dept. of China Shenyang International Trade Group joined with Chemical Research Institute and Glass Research Institute. After....