Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Silane,chlorodimethyl(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)CAS NO.: 102488-47-1
High Quality Iron oxide,black for pharmaceuticalCAS NO.: 1317-61-9