Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1(2H)-Naphthalenone,3,4-dihydrCAS NO.: 529-34-0
High quality Sodium dimethyldithiocarbamateCAS NO.: 128-04-1
High quality 2-Methyl-3-(3,4-methylenedioxyphenyl)propanalCAS NO.: 1205-17-0