Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Benzoxazole,2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)CAS NO.: 7128-64-5
High Quality Ethene,1,1,2,2-tetrafluoro-, homopolymerCAS NO.: 9002-84-0