Optical Filter, colour filter glass, coating filter

Guoguang is a professional manufacturer integrating the melting of colored optical glass materials and the processing of optical glass.

The company’s sales headquarters is located in Shanghai, with production bases in Nantong, which include two raw material melting workshops and one processing workshop.

The company is committed to providing customers with comprehensive solutions from raw materials to finished products.

Optical filters: Selective filters (BG; GG), infrared filters (RG), ultraviolet glass (UV), heat-insulating glass (KG), cut-off filters, neutral gray glass (NG) and Other specialty glass: Quartz glass, polarizers, colorless optical glass (B270), etc.

Customization Services
•   Develop raw material formulas and melting processes to meet specific spectral index requirements