No.828 Liuxiang Road Jiading Shanghai P.R China Shanghai,
the company was devoted to the development，manufacturing and marketing of a wide range of laser crystals (alexandrite,YAG,Nd:YLF,Ti:Al2O3),optical crystals and synthetic gemstones.
laser crystals, alexandrite, YAG, Nd YLF, Ti Al2O3, optical crystals, synthetic gemstones
