Shenzhen LiangJinJing Opto-technology Co., Ltd. which established in Dec. of 2000. Through 6 years endeavor, which built office in HongKong and factory in Xili town in Nanshan district in ShenZhen P.R.China. Shenzhen LiangJinJing Opto-technology Co., Ltd. has full of technical skills and abundant marketing resource. Building development and research base in science and technology in ShenZhen.Shenzhen LiangJinJing Opto-technology Co., Ltd. passed the International Quality System Certification of ISO9001:2000 Strictly according to ISO9001 standard to build quality manager system,which own bulk of reliable professional supplier Strictly executing field stardard, from products design.and passed CE, FCC,W-EEE certifications.