Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 5-Chloropyridine-2-carboxylic acidCAS NO.: 86873-60-1
High Quality 1-Methyl-aminomethyl naphthaleneCAS NO.: 14489-75-9
High Quality 1-Acetyladamantane IntermediateCAS NO.: 274693-55-9