Graphite packing is mainly made of various reinforcing fibers, metal wires (steel wire, copper wire, nickel wire, carbon fiber, pre-oxidized wire, glass yarn) and other reinforced graphite wires as raw materials. Suitable for dynamic sealing under high temperature and high pressure conditions. Except for a few strong oxidants, it can be used to seal hot water, superheated steam, heat transfer fluids, ammonia solutions, hydrocarbons, low-temperature liquids and other media. It is mainly used in valves, pumps, and reactions under high-temperature, high-pressure, and corrosion-resistant media. The sealing of the cauldron. It is also a unique universal sealing packing