... change speed and length control by micro-computer.(3)vacuum pump is 160 cubic meters BUSCH from German.(4) ... plastics, battery, toy, gift, hardware, appliance, electronics, stationery, decorate). Foods package industry (fast food box, fruit tray, biscuit box). Medicines ... to break off from mold.7, Twice vacuum forming: Inside place twice vacuum forming make the difficult material easy to form ...