... force:420 TONS manufacturer 420 TONS good quality injection machine for formed plastic productinjecting for pp,pe,ps,ppr,pvc,and ... 1. Adopting double-cylinder injection, with multilevel injection, pressure maintaining and anti-dribbling action, high injection pressure, and fast speed ... hydraulic drive, auto-alarm, fail safe, high degree of automation.5. The machine has Manual mode, Semi-automatic mode ...