api e175 1 standard: API SPEC 5D 2 material:41 30X,E75,G105,S135 ... -111.4mmMaterial: 41 30X,E75,G105,S135 Tolerance: meet the standard or according to the international standardApplications range:petroleum,smelting, foodstuff,electric power ... .Packaging:bundle, bulk in container or as per customers' requirementsPayment: T/T, L/CSpecial design is available according to the customers' requirementsAll ...