... Ultrasonic Spot Welder Ultrasonic Spot Welder Fabric Spot Welder Portable Welder Spot Welder 300w up ... welding machine is applied for plastic welding process, like, ultrasonic ABS welding, ultrasonic Acrylic welding, ultrasonic PVC and ABS welding, ultrasonic PA welding, ultrasonic PC welding, ultrasonic PE welding ... firm welding, low noise, small-sized, dust-proof, high performance 2:automatic ...