... ,,ASME,GB 2.Material:Cr20Ni32Nb 3Certification:ISO9001:2008 reformer tube centrifugal casting outlet reducers1.Standard:ANSI,ASTM,ASME,DIN,GB2.Size: φ171 ... equipment to ensure thye quality,4.Packing:wrapped in bundles by steel strips or as customers' requirement5.Delivery time:20 to ... :Shanghai,Qingdao,Dalian etc,7.Certification:ISO9001:2008 reformer tube centrifugal casting outlet reducers