UPVC Window Welding Machine is used for welding the UPVC window profile, including the point welding machine and linear welding machine. FENSTEK provide the CNC vertical and horizontal four point welding machine with seamless function, four point double layer welding machine, six point welding machine,These point welding machine can finish one frame welding in one time.and besides four head welding machine, three head welding machine, two head welding machine and single head welding machine are also very welcomed by the customer. H welding machine is used for mullion welding only. single head welding machine can realize variable angle welding.