Chemical Trichloroethylene/TCE, 99.9% purity, pharmaceutical raw materials(79-01-6) 1)Place of origin :China 2)Purity:99.9% ... Chemical Trichloroethylene/TCE, 99.9% purity, pharmaceutical raw materials(79-01-6)Trichloroethylene 1)Standard: HG\T2542-932)Place of Origin ... / Chemical Trichloroethylene/TCE, 99.9% purity, pharmaceutical raw materials(79-01-6)