Our company is one of the biggest pigment and solvent dyes manufacturers in China and specialized in production and development of organic pigment, solvent dye. With the most advanced production line in China and has a comprehensive productive capacity of 2300 MT including 800mt phthalocyanine series pigment, 400mt medium and high grade red pigment, 700mt violet pigment, 400mt solvent dye. "zhengyan" brand organic pigment, solvent dye are widely used in the industries of printing ink, coating, electrochemical aluminium, leather products etc. Last year, we have developed high performance organic pigments, such as pigment red 254, pigment yellow 151, 154 etc. Now put in big capacity production and quality of most products has completely reached international level, we enjoy free-import and export right and has been ISO 9001: 2000, ISO 14001: 1996 certified.