... NC/CNC contral 2.pre-bending function 3.high precision 4:Touch screen 3 roller rolling machine Which is thicknss more than ... bearing, tuning cylinder6) Balance device Composed of balance compact, screw3-3. Hydraulic system Composed of Y series motor, gear pump , ... 15Mpa . the valves adopted from Taiwan.3-4. Electricity system Composed of electrical box, operation table , manual button . the power is ...