We are Wenzhou Huahai Sealing Co., Ltd located in Wenzhou Longwan Industry Zone and is close to airport. Our company has been certified by ISO 9001:2008 and SGS standard. We hold API6A/17D licenses and Manufacture License of Special Equipment.Huahai Sealing provides superior products and best service to the customers by bringing in advanced Mazak CNC machines, sawing machines, spectrograph, desktop hardness, laser marking machine, coating thickness gauge and other equipments. We specializes in ring joint gasket, including ring gasket in R, RX, BX, IX types, lens gasket, weld ring gasket and bonnet gasket(according to client's drawing). The metal gasket designed for use in high pressure, high temperature application necessitated the need for a high integrity seal. Our products are widely used in flat gate valve, Christmas tree, pipeline fittings, flange, high pressure vessel, oil &gas industry, wellhead assembly, petrochemical industry and the like. We can offer more than 30 kinds of materials, such as 321SS, 347SS, 316SS, 304SS, Inconel 625, Monel 400, INCOLY 825, Nickel 200, Duplex F44, soft iron, low carbon steel and so on. We could produce the maximum outside diameter is 2500mm. We have over 10 years experience in export business. Our products are sold to Southeast Asia, Middle East, Europe and America and well appreciated by our clients. With the sustained tenet of “quality first, service foremost”, we would like to work together with our customers for a better future.