... 508mm, production speed:18times/min Semi- Automatic packing machine (plastic shell+ paper card )1.Features1)Power:220v, Frequency:50khz2)Electricity consumption ... electric parts,etc3.working principleFirstly put the PVC transparent external shell on the mould,then put the product into thesheel, ... card above them.By the machine, the PVC transparent external shell can be Sealed to the paper card, by heat ...