When it go to high volume product, we need stack mold system that have two molding face will double the production rate under the same tonnage requirement. This video is showing a 2X4 PP lid stack mold application. It is a special Effort II 200 machine with extended day light, accumulator assisted injection (400 mm/s) and electrical metering, cycle time is 5 sec Enquiry code : PACKJ3 | LK Machinery | Facebook