Tianjin Hengliwei Chemicals Co., Ltd. with many production bases, is a chemical enterprise engaged in the R & D, manufacture and deep-processing of powder products, including high quality titanium dioxide, lithopone, zinc oxide, caustic soda, stpp, and so on. "Hengliwei Brand"products have been widely used in printing ink, rubber, paints, coatings, plastic, water treatment, detergent industry etc.