Our company Wenzhou Huahai Sealing Co., Ltd. is the member of China Friction & Sealing Material Association and China Static Seal Association. We are a leading and specialized supplier of(RTJ) ring joint gaskets, including octagonal gaskets, oval gaskets, lens gaskets with R,BX and RX series,which are widely applied in high pressure valve, flange, oil & gas industry, christmas tree and wellhead assembly, offshore petrochemical industry and the like. and we could supply gaskets as per customer's specific requirements and drawings. Besides,we can offer more than 30 materials to meet our customers' needs, such as soft iron, ss304, ss316, ss347, F5, F51, low carbon steel, inconel 600, C-276,Incoloy825, Monel 400and so on.Moreover,We hold 6 national patents. Our company has certified API and ISO9001:2000 and AZ Safety certifications. therefore, our products comply with ASME B16.20 standard and API spec 6A so that the quality must be to your satisfactory. What's ...[More]re, we guarantee that our products are of excellent price. swift delivery time and wonderful service.