Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality N-(2-Hydroxyethyl)-N-methylanilineCAS NO.: 93-90-3
High Quality Ethanol, 2,2-(methyl-1H-benzotriazol-1-yl)methyliminobisCAS NO.: 88477-37-6
High Quality Tetrabromo-2-sulfobenzoic acid cyclic anhydrideCAS NO.: 68460-01-5