... nylon-PU, rain coats, snow-suits, tents,waterproof coverings' sealing... Hot air seam sealing machine ==Features==1, LCD screen, Japanese Scale IC ... so that to make quality more reliable.3,Automatic temperature control,simpler operation.4, The cylinder of upper roller is the ... is depending on the natural high-pressure air blower; avoid the impact of inside heat tube of the conventional high-pressure ...