QingChong is a high-tech enterprise that integrating R&D, production and sales of manganese chemicals. Our products mainly include natural manganese dioxide, chemical manganese dioxide, electrolytic manganese dioxide, activated manganese dioxide, manganese sand and other manganese salt products. The products are widely used for many industries like battery, ceramics, glass, metallurgy, water treatment, feed and fertilizer etc. With professional sales and strictly quality control, we are trusted by many local partners and foreign clients. The products are exported to lots of countries and regions, such as Korea, Japan, South Africa, America, Europe and Southeast Asia.