Beijing Cheng Yi Chemical Co.,Ltd specializes in development, production and sales of polysaccharide series derivativEs  and is a mordern chemical enterprise which has  passed certifications of ISO9001:2008,SGS and Intertek. Our business covers Xanthan Gum,PAC(Polyanionic Cellulose),CMC(Carboxy Methyl Cellulose)  and PAM(Polyacrylamide). We have our brand VEKEN is very famous in China  and this brand also got good reputation in the world. Our products have been exported to many countries such as Indonesia, Iran, Middle East, Middle South America and Africa....