Hunan Mint Import & Export Co.,Ltd was established in 2005. A sound economic strength. Its business covers the production of chemical products, domestic and international sales, technical services. At present, the company mainly production and sale of barium carbonate, barium sulfate, barium chloride, barium hydroxide, four oxide three manganese, manganese carbonate, high purity manganese sulfate, strontium carbonate, strontium nitrate, strontium hydroxide etc.. These products are widely used i...