Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality [1,1'-Biphenyl]-2-carbonitrile,4'-(bromomethyl)CAS NO.: 114772-54-2
High Quality Ethylene/vinyl acetate copolymerCAS NO.: 24937-78-8
High Quality poly(P-toluenesulfonamide-co-formaldehyde)(25035-71-6)CAS NO.: 25035-71-6