... force:420 TONS manufacturer 420 TONS good quality injection machine for formed plastic productinjecting for pp,pe,ps,ppr,pvc, ... maintaining and anti-dribbling action, high injection pressure, and fast speed.2. Low-speed high torque hydraulic motors drive screws directly ... control, proportional electro-hydraulic drive, auto-alarm, fail safe, high degree of automation.5. The machine has Manual mode, Semi ...