Hengyang Hutong Building Materials Chemical Co., Ltd. is the sales company of Hengyang Tianyou Chemical Co., Ltd.Hengyang Tianyou Chemical Co., Ltd. is the biggest manufacturer of ferric sulphate in China, and is one of the biggest manufacturers of rutile titanium dioxide in China. In December, 1997, we got the certification of ISO9002 quality system. We passed ISO9001:2000 Authentication in September, 2004. We produce more than 20000Mt of ferric sulphate per year, more than 25000Mt of titanium dioxide per year, and more than 75000Mt of ferrous sulphate hepthydrate per year. We have been exporting ferric sulphate and titanium dioxide for more than 10 years. Our products are exported to Southeast Asia, the Middle East, Australia, Africa, Europe, a1ff8nd America. Our domestic and oversea customers give our products high honor.Hengyang Tianyou Chemical Co., Ltd. occupying 5 square kilometers of area is located in Southeast Hengyang, near Peking-Guangzhou Railway, No. 107 National Road,... [Details]