... machine is designed specifically for production of large format tarpaulins, tents, shading systems, truck covers, swimming pool ... imported apparatus,the longest welding extended to 1800mm one time.European-model squarness high frequency vibration bos,more ... Tents, shading systems, truck covers, swimming pool covers3) Tarpaulins, airport hangars, side curtains4) Advertising signs and billboards5) ...