carbon steel pipe bending machine 1.high-tech processing 2.OEM as your design 3.high quality carbon steel pipe bending mechine pipe bending mechinethe Max bending diameterΦ426mm ... mechanical parts:26KW,380V,220V,50HZThe power of M-frequency heating systerm:500KW,500-1000HZthe part of microcomputer:can show the ... beding fitings with the data showing. big diameter carbon steel pipe bending machine