Shanghai Yangxin Trading Co., Ltd. is the sales office of the Nantong Optical Glass Factory. Established in 2007, the factory covers an area of 7,000 square meters and employs over 90 skilled workers. Our primary products are various types of optical glass filter, including Ultraviolet UV Filter, Neutral Density ND Filter, Infrared IR Filter, Heat Absorption Filter, Colorless Optical Windows, Coating Optical Filter etc. We produce over 170 different types of optical filters in our 3 furnaces, 1 gas and 2 electric. The entire production process, from melting to cutting, grinding, polishing, ultrasonic cleaning, inspecting, and packaging, are all strictly controlled to make sure exceptional quality. We look forward to building more cooperative relationships with worldwide customers from all over the world and are available 24/7 to serve you and provide more information about our products.