... Hot air seam sealing machine is applied to Nylon-PVC, nylon-PU, rain coats, snow-suits, tents,waterproof coverings' sealing... ==Product Features ... synchrodrive of the upper and lower wheel chain, auto compensation, and auto reverse. Mechanical section is made of quality steel ... , suitable for long-time operation. The functions of auto tape clipping, sending and finishing reduce the wastage of ...