Tianjin Xinxin Chemical Factory is the largest and multiple-producing enterprise specialized in researching, producing and selling zinc sulfate. Since it was established in 1995, the productivity grows rapidly, at present our annual capacity has reached to 30000 metric tons. Our factory has become a leading supplier of zinc sulfate 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 and so on. Annual we could treat 15000metric tons. In 2003, we established Tianjin Yufeng...