... making all size packing containers ,in open-type with thin-wall ,by using roll-sheet , under high-sp Useage:The machine is ... making all size packing containers ,in open-type with thin-wall ,by using roll-sheet , under high-speed vacuum suction-forming processing ... production .8. Heaters with moving-out structure ,could move out under the malfunction situation ,it could save the sheet materials .9. down ...