... 420 TONS manufacturer 420 TONS good quality injection machine for formed plastic productinjecting for pp,pe,ps,ppr,pvc,and so on ... Plastic-Injection Molding Machines are applicable to injection molding of various kinds of thermoplastics, and have following features: 1. Adopting ... drive, auto-alarm, fail safe, high degree of automation.5. The machine has Manual mode, Semi-automatic mode and Automatic ...