Wenzhou Huahai Sealing Co., Ltd. specelizes in ring joint gasket including Octagonal Gasket, Oval Gasket and Lens Gasket with R, RX, BX, IX type whole series.And there are more over 30 material such as SS321, SS347, SS316, SS304, Inconel 600, M-400, C-276, Incoly 825 and so on.Also we have certified API 6A and ISO9001:2000 standard.