Main products Pressure socket fittings: static gasket, moving gasket, static steel gasket; steel pipe coupling, steel coupling, socket fittings, flange, blind plate, and forged steel fittings, stub end, weldolet, quick coupling, metal soft pipe, and screw end etc. Pressure socket equipments: manhole, sight glass, flame arrestor, filter, silencer, mixer, injector, separator, degasser, compensator, sampler, accessory ofoil tank, air foam producer, and defoamer etc.