Custom Optical Filter Chinese Manufacturer

Coligh is a Chongqing-based custom optical filter manufacturer focused exclusively on hard coating standard fluorescence filters, precision optical filters and optical lens. 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 enables 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 custom optical filters like bandpass filters, long-pass filters, short-pass filters, dichroic filters, beamsplitter, dichroic mirrors, lens,es and prisms for commercial and industrial applications. These products enable us to serve emerging technologies and machines.

• Life science medical equipment
• Machine vision
• IR sensing
• And much more

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