WHAT WE DO Coligh is a Chongqing based optical coating company focused exclusively on hard coating standard fluorescence filters, precision optical filters and lens manufacturer. Chongqing is one of four famous optics centers in China. This enables Coligh to have a strong optical atmosphere and optical environment technical support. Most of our employees worked in Coligh for more than 8 years, this enable us to produce the specifications according to customer’s needs. With the advanced and adept polishing, coating and inspection equipment, customers’ optical components are fabricated consistently and effectively. Coligh manufactures types of filters like bandpass filters, longpass filters, shortpass filters, dichroic filters, beamsplitter, dichroic mirror, lens and prisms for commercial and industrial applications. These products enable us to serve the emerging technologies and machines. Life science medical equipment Machine vision IR sensing And much more life science medical equipment machine vision IR sensing more WHO WE ARE With several years of experience in thin film coating and working with more than 1000+ clients in domestic and over the world, the Coligh team has a good insight of optics, engineering, industries applications. Market we serve: Medical Life science Biotech Research and development Technologies we target Analytical instrument Medical device Robotics&automation Testing and measurement Sensing Photonics imaging Our vision is to deliver the most right, consistent, stable, durable and economical custom precision optical coatings solutions for global OEM customers. Reduce the cost and help the projects to going smoothly and successful. We promise: On-time delivery with quality product 7/24 service and 2 hours response for all the customers Professional engineering and application support