Tianjin Xinxin Chemical Factory, built in 1995, is a large and multiple-producing enterprise specialized in researching, producing and selling zinc sulphate. Now our annual capacity has reached 30,000 tons. Our factory has become a leading supplier of zinc sulphate in the North of China. In 2002, we set up Tianjin Xinpeng Heat Zincification Co., Ltd., which is specialized in pot galvanizing of metallic structure, flange, lamp post, sign post, etc. with an annual output of 15,000 tons. In 2003, ...