Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2-Chloro-3-(trifluoromethyl)pyridineCAS NO.: 65753-47-1
High Quality Acetylenedicarboxylic acid monopotassium saltCAS NO.: 928-04-1
High Quality 2,3-Dibromopropionyl chlorideCAS NO.: 18791-02-1