Profile: Cixi Heroos Sealing Materials Co.,Ltd. is a manufacturer of industrial gaskets, gland packing, joint sheets, sealing machines, and insulating materials. Our products are widely used in various gases in the sealed pipers & valves, pump systems, engineering in the field of thermal power, gas turbine, oil refining, chemicals, ship building, food, pharmaceutical, chemical fiber, dyes, nuclear and aerospace industries. Ring joints are metallic gaskets designed for high pressure applications. They are available in a variety of forms to suit the differing flange formats. Spiral-wound gasket is formed of V-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded. Depend on its compression resilience it is suitable for sealing spots where the alteration of temperature and pressure are frequent. It can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flanges. It has been widely applied in the fields of petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation industries.