It is reported that the enterprise led by Rongxin carbon group, located in Beijing and developed earlier in the 1990s, has been adhering to the enterprise specializing in the development and production of graphite products. It has advanced CNC production equipment and processing *, exquisite production technology and complete detection means. Since the early 1990s, the products have been highly praised by users at home and abroad due to their excellent performance and stable quality. Its “Rongxin” products include: graphite electrodes, graphite products for high temperature treatment of industrial furnaces, graphite products for diamond tool sintering, graphite products for non-ferrous metal smelting, graphite products for mechanical seals, graphite products for electronic semiconductor industry, graphite electrodes for analytical instruments, and analytical crucible products. Products are widely used in machinery, mold, textile, electromechanical, diamond tools and other industries. In recent years, more and more products serve mining systems, diesel engine systems, railway systems and high-tech industries. Some technologies have reached the domestic leading level.