my company processes the optical lens of high definition by production with medium, upscale optical lens, instrument, optical surface of sphere mirror, flat surface mirror, pillar noodles mirror is main management direction of private enterprise, many is the United States, Germany and soldier work product of produce and process.If needed to please to contact us, we will with all sincerity expect your reply!high precision lens,the applicable scope is Extensive,Handicraft is exquisite.Changchun Longqin Optical Instrument Co Ltd of ChinaContact person: michelle lauE-mail:xxxxx xxxxxTele: 86-0431-85188653Fax: 86-0431-85188652MSN: xxxxxSKYPE: LIUQIAO117117QQ: 750693239