... ps,ppr,pvc,and so on,making plastic formed product clamping force:420 TONS manufacturer 420 TONS ... ,ps,ppr,pvc,and so on,making plastic formed productclamping force:420 TONSmanufacturer SpecificationITEMHYSTAN-4200AInjection ... clamping devices, for energy saving and stable movement.4. Adopting computer control, proportional electro-hydraulic drive, ... quality injection machine for formed plastic product