Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality CIS-HEPTACHLOREPOXIDE EXO-, ISOMER BCAS NO.: 1024-57-3
Manufacturer high quality Tazobactam Diphenylmethyl EsterCAS NO.: 89789-07-1
Manufacturer high quality N-ethyl-N-methyl carbamoylchlorideCAS NO.: 42252-34-6