The high-purity green silicon carbide uses petroleum coke and high-quality silica as the main raw material, adding salt as an additive, via high-temperature electric resistance furnace smelting, the smelting into crystals of high purity, high hardness, its hardness is between fused alumina and diamond, and mechanical strength is higher than fused alumina.

High-voltage lithium nickel manganese oxide (LiNio.5Mn1.5O4) cathode material, suitable for various lithium-ion batteries, has the advantages of high voltage, long cycle life, good rate performance, high energy density, etc. It is a new generation of lithium-ion battery cathode material.