GRINM is the largest R&D institution in the field of nonferrous metals industry in China. GRINM has been in the leading position

GRINM is the largest R&D institution in the field of nonferrous metals industry in China. GRINM has been in the leading position in the optical coating materials in China since the late 1970s. Over 30 years, it has introduced into China market more than 100 kinds of coating materials, including oxides, fluorides, sulfides, metals, mixtures, targets, etc. The Center of Optical Coating Material (COCM) was established in 2001 in order to further strengthen the competitive position. The advanced quality management system ISO-9001 was enforced in COCM so as to ensure constant quality supervision and to meet the challenge of the market. In recent years, our materials have been sold to Europe, Asia, North America, etc., and have won a high reputation with the superior quality and competitive price.

Oxides