... efficiency 4High bending accuary DW38CNC hydraulic steel bar bending machine1. Features (1)Applicable material : carbons steel, stainless steel, aluminum, alloy, copper, ... shape:pipe, tube, solid steel bar, square pipe, rectangle, oval, sections etc.(3) Fully automatic: Auto feeding the pipe ... for you to choose: Manual, semi-atuomatic, fully automatic.(6) PLC control or servo control(7) Touch screen ...