... Material:SS304 3. OEM are welcomed Marine Flange Quality System CertificateISO 9001Dimension ToleranceCT7Surface ... CASTINGSodium Silicone(Water Glass)Stainless Steel, Carbon Steel, Special Alloy Steel, Bronze, Brass, AluminiumSilica SolFORGINGHammer ForgingStainless Steel ... products are used on construction machinery, agricultural machinery, marine, railway, train, auto, motorcycle...Your tech drawing ...