Xiangtan Swallow Chemicals Co., Ltd. Is a comprehensive chemical enterprise which integrates the scientific and technological development, production, sale and service. The main products we produce and sell are inorganic chemicals, including lithopone, barium sulphate, zinc carbonate, zinc oxide, zinc sulphate, and feed grade mineral trace nutrient products, which are widely used in painting & coating, catalyst, rubber, feed additive and fertilizer. We have a complete lab equipments and testing instruments. By strong R&D ability, we can develop different grade of products to meet with the special demands of different customers, at the mean time, technical support can be provided at any time. Your support is our motivation to move forward and we truthfully look forward to cooperating with you.