Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Poly(diallyl dimethyl ammonium chloride)CAS NO.: 26062-79-3
High Quality 2,2'-Bis-(trifluormethyl) benzidineCAS NO.: 341-58-2
High Quality 2,4-Pyrimidinediamine,5-(4-chlorophenyl)-6-ethylCAS NO.: 58-14-0