HG Optronics.,INC.founded in 2008, is located in Fuzhou city of China. After untiring efforts over these years, HG has become a professional and reliable manufacture of laser crystals,nonlinear crystals and optical components.HGO’s main products include bonding crystals, YLF-based crystals,YVO4 based crystals, YAG based crystals, LBO, BBO, KTP, TGG, Cr:YAG, ,Ti:sapphire, Er:Yb:Glass, CaF2, MgF2 and a wide range of high precision spherical and flat optics components. Currently HGO grows four series of crystal in house: LBO and BBO series; YLF based series and YVO4 and YAG based series.