... 4)good quality automatic 3-side folding machine Technical Data Model BZ-4050The max folding sizemm500×330×150Producing speedpcs/min10-15Air ... 220V/50HzMachine sizemm920×810×1560Machine weightkg150 DescriptionBZ-4050 Trilateral Automatic Folding Machine can fold trilateral of plastic once for all, ... a producing-speed of 10~15 pcs/min,and the folding effect is tidy.This model machine is equipped with ...