Adhering into the theory of "quality, services, efficiency and growth", now we have gained trusts and praises from domestic and international shopper for 850nm Ir Filter, Customed Cylindrical Lens , Quartz Optical Protection Window , Ar Coated Biconvex Lens ,Polarized Filter . If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon. The product will supply to all over the world, such as Europe, America, Australia,Ottawa, Angola,Spain, Cairo.because of our company has been persisting in the management idea of "Survival by Quality, Development by Service, Benefit by Reputation" . We fully realize the good credit standing, the high quality products, the reasonable price and the professional services are the reason that the customers choose us to be their long-term business partner.