https://www.danrel.com/HotAirWeldin... Email: [email protected] WhatsApp/mobile/Wechat: +8615899697780 PVC Hot Air Welding Machine For Inflatable Boats Production Cone Model DRT300A is designed for cone welding (Curve Welding), this machine is suitable for a variety of cone welding application with tools changeover. Welcome to contact us for more information: