Changsha R&C Metal materials Co., Ltd located in Changsha, Hunan, was established in 2007, specilizing in the production and trading of Mn serial products and aluminium alloy additives. Our raw materials come mainly from our group, which owns some Mn Ore mines, electrolytic manganese plants and one hydro-power station supplying electricity especially for our Mn plants to ensure our profit and quality for raw materials. We improve the quality of all products continuously to meet customers&＃039; demands. Our R&D center has built a strong and fruitful cooperation with several universities and Institutes.Meanwhile we have passed the ISO9001-2008 quality management system certification and were certified as a high-tech industry, enjoy a good reputation . .