Xiangtan Swallow Chemicals Co.,Ltd is a comprehensive chemical enterprise which intergrates the scientific and technological development, production, sales and service into a whole. Our products are popular in the international market because of the superior quality and competitive price. We have very high reputation among our clients. As a result, the demand of our goods exceeds the supply. Main products: lithopone;barium sulfate;zinc sulfate;zinc carbonate;zinc oxide;zinc chloride