... bending machine 1.high-tech processing 2.OEM as your design 3.high quality carbon steel pipe bending mechine pipe bending mechinethe Max bending ... ,380V,220V,50HZThe power of M-frequency heating systerm:500KW,500-1000HZthe part of microcomputer: ... speed,temperature, have the memory storage function, bending Angle sensor by encoder,terminal shows through ... big diameter carbon steel pipe bending machine