... Machine HJ600LR Aluminum Flexible Duct Forming Machine HJ600LRNow, looking at the Aluminum Flexible Duct Forming Machine HJ600LR have some following technical problems: 1, aluminum foil ... double, single, insulation jacket,and others aluminum foils. This machine easy to operate, fast and stable production ... .2KW Heater Power380V/50HZ Weigh450KG Machine Dimension3100*920*1700 Aluminum foil duct machine