Packing is mainly by a variety of enhanced fiber, metal wire (steel, copper, nickel wire, carbon fiber, glass yarn) and reinforced graphite lines as raw materials Seiko braid and. Dynamic seal suitable for high temperature and high pressure. Except for a few strong oxidizing agent, it can used to seal the hot water, steam, heat transfer fluid, ammonia solution, hydro-carbons, low temperature liquids, and other media, mainly used for high temperature, high pressure resistance, corrosion medi-um under valve, pump, reactive kettle seal. It is also a unique universal sealing packing.