Qingdao Quanhutong Industrial Co., Ltd. is Export Branch of Yunnan Dahutong Titanium Industry Co., Ltd which is a large joint-equity chemical enterprise and has multiple capabilities of high-tech, R&D and manufacture. Company has completely passed ISO9001:2000 standard, total labor amount 2000, specialize in manufacturing Titanium Dioxides and selling the Refined Powder Products to worldwide. We have 2 factories which is separately located in Yunnan and Sichuan province. In 2000, we ...