... ,DIN,GB 2.Material:Alloy Certification:ISO9001:2008 Big and Small Head Forge Piece1.Standard:ANSI,ASTM,ASME ,DIN,GB2.Material ... .Process:centrifugal casting5.Quality:can work under presure for long time,advanced testing equipment to ensure thye quality,6.Packing:wrapped ... in bundles by steel strips or as customers' requirement7.Delivery time:20 to 35 days after we signed SALES CONTRACT.8 ...