SJL LASER established in 2007, located in Shenzhen city, China. is a national high-tech enterprise integrating R&D and production of high -precision optical components. The company has a facility covering more than 5000 square meters in a high-tech park. At present we can produce over 2000 kinds and specifications of products. Products mainly include Optical glass ball lens ,Half ball lens, Super hemispheres lens, Sapphire ball lens , Ruby ball , Chalcogenide glass ball, Monocrystalline silicon, YAG crystal, Quartz ball(JGSA,JGS2,JGS3), Aspheric lens, Cup jewels, Jewel bearings, Sapphire windows, Sapphire rods, Sapphire seat, Sapphire microhole, Hole jewel, Assemblies jewels, Nozzle jewels, Check valves, Special jewels, Ceramic component. These products are chiefly applied to accurate Measuring Instrument, Machinery, Ultra High Pressure Water Jet, Hematology Instrumentation, Ink Jet Printing, Flow Control, Liquid Cutting, Laser Technology, Circuit Substrates, Sensor, Optical Fiber