JYS Optronics Co.,Ltd. located in Fuzhou Fujian, a beautiful coast city of South in China.As a professional manufacturer of optical components and crystal components, JYS Optronics supplies high quality components including Waveplate, Laser mirror, Laser window, Optical window, filter, Mirror, Beam splitter, Prism, Lens, Laser Crystal (Nd: YVO4, Nd: YAG), NLO Crystal (BBO, LBO, KTP. etc) etc. The main applications are include Laser, Electronics, Survey, Graphic, Medical Instruments, Research, etc.