Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality Polyethylene-polypropylene glycolCAS NO.: 9003-11-6
High quality Poly(oxy-1,2-ethanediyl),a-methyl-w-hydroxyCAS NO.: 9004-74-4
High quality Benzene,1,2,4-trichloro-5-[(4-chlorophenyl)sulfonyl]CAS NO.: 116-29-0
High quality 4-Thiazolidinecarboxylicacid, 3-acetylCAS NO.: 5025-82-1