... shape-paper feeding, two-step pre-heating, bowl-side-body sealing(ultrasonic wave), silicone-oil lubricating ... pre-folding, bottom knurling, top curling and bowl discharging.It is an ideal equipment of making ... containers etc. Technical Specification of JBZ-S30 Paper Bowl Machine :Paper Bowl Size : 20---50oz (mold exchangeable); Raw ... Total Weight : 2000 Kg; Package Size (L x W x H) : 3300 x 1450 x 1800 mm ...