For Plastic Welder Automotive Repair Machine Welding Wire Car Bumper Repair Welding Machine Tool. The plastics welding staple are made of fine quality tungsten steel materials, which are practical, have fine hardness and toughness, and are easy to process. Used for permanent repairing of breaks, cracks and tears in rigid or flexible thermoplastics parts. Wide Application: This plastic welding machine is widely used, suitable for repairing and strengthening of all plastic products. Works fast, easily welds cracked plastic parts, and is highly resistant to impact and twisting after repair., Manufacturer: THUJMGH