This plastic welding machine is lightweight and compact, heats up quickly, and helps improve work efficiency while reducing working time. The welding machine features a built-in front LED light to assist with precise welding in low-light environments. It has a spring switch design with an enlarged switch button for convenient operation and to prevent accidental activation. The ergonomically designed handle allows for accurate handling of details and repairs, providing a comfortable grip and reducing hand fatigue during extended use. Equipped with copper stapling nail clips that offer high clamping strength, while allowing easy replacement of small stapling nails. The welding machine kit includes four types of stapling nails to meet various needs, with different shapes designed for specific applications, making it easy to select the right one. The V-shaped stapling nail is ideal for inner corner repairs, the M-shaped stapling nail suits outer corners, and the other two types are designed for flat surface applications. This welding machine has wide-ranging applications, including plastic welding, filler welding, hole repairs, and gap elimination. With a variety of repair nails, it is suitable for repairing horizontal, vertical, long, and short cracks, providing strong resistance to seismic movement and deformation after repair. A practical tool ideal for repairing bumpers, dashboards, lamp holders, plastic rings, radiators, spoilers, handles, headlights, plastic fenders, and other plastic components in cars and motorcycles.