injection machine injecting for pp,pe,ps,ppr,pvc,and ... force:420 TONS manufacturer 420 TONS good quality injection machine for formed plastic productinjecting for pp,pe,ps, ... , fail safe, high degree of automation.5. The machine has Manual mode, Semi-automatic mode and Automatic mode. ... 7. Hydraulic components are designed to be outside the machine, which is easy for installation and maintenance. 420 ...