Lense ring –drawing can make Oval/Octagonal /lense gasket ring mainly use in the condition of high temperature and high pressure, we use professional equipments deal with it, provide high qualified products for clients. Material: Stainless, soft irons, carbon steel, so on. Standard: ASME /ASNI/API , JIS/JPI Size: all size as standard noted Other kinds ring gasket we provide: R-Type, Oval Type R-Type, Octagonal Type, RX Type RX, BX-Type RX Drawing can make.