Founded in 1955, CRIMM (Changsha Research Institute of Mining & Metallurgy) is a large state-owned high-tech industrial group specialized in the research, development, engineering, manufacturing and marketing of super abrasives, electronic material and metallurgy products. 







Since our foundation, our employees have been devoted to working to the common goal of becoming the leading supplier of synthetic diamond products and electrolytic manganese metal flakes/powder/lumps in China. Moreover, we are also dedicated to becoming the largest manufacturer of manganese manganic oxide and aspheric nickel hydroxide in the world. 







However, as a subsidiary of CRIMM, Changsha Xinye Industrial Co., Ltd. mainly deals in the processing of synthetic diamond products, electrolytic manganese metal and manganese...