We are Tian Cheng optics Co.Ltd based in Changchun, China. We are member of exporthub.com since August, 2012. Our business is related to Measurement Instruments industry and we specifically deal in op...

Nanjing Compton optical & electrical co., Ltd , the production of a variety of aspherical optical lens (convex Turner, Turner concave, flat-convex, Plano-concave, convex and concave, crescent,...

Nanjing compton optical&electrical co., ltd welcomes you to have a walk through of our products and our premises where we offer aspherical optical lens,micro-lens, rod lens (both sides polishe...