Beijing Otis International Trade Co., Ltd. is a sister concern of Renqiu OTIS Chemical Co., Ltd., Our products are mainly including CMC( Carboxy Methyl Cellulose), PAC( Polyanionic Cellulose), PAM( Polyacrylamide) and XC(Xanthan Gum). Our products are mainly used in Oil drilling, Construction, Water treatment, Mineral dressing and Food additive.