Jiangsu Fenghua Chemical Industrial Co., Ltd. chinafluoride chemical fenghua jiangsu industrial derivative bromobenzene antiseptic new intermediate products benzene benzotrifluoride derivatives trifluoromethoxy fluorochemicals fhchem com contact renmin china north road yancheng wenchun fax add mail www url zheng tel sales years manufacturer specialized developing fine professional members Chinafluoride.com~Site InfoWhoisTrace RouteRBL Check
