... to make the inner cup,use paper cup forming machine, 2.to make the out jacket, use the ... Double Wall Machine . To make the hollow style, the bottom of the out sleeve is folding/curling like the ... inner white-cup's bottom double wall machine,double wall forming machine,paper cup ... V,220 V50 HZ,60 HZ or other neededWhole machine weight: 850 kgAppearance size(L x W x H ...