This professional welding machine is a versatile tool that can be used for molten gold welding. It has a compact size of 280*155*235mm and is made in Fujian, China. With a voltage of 110V and a power of 100W, it is a powerful and efficient electric spot welder. The model number is 27 and it is suitable for use in the jewelry industry. The welding machine is equipped with automatic numerical control and handheld pulse argon arc welding technology, making it easy to use. It is perfect for welding a range of materials, including gold, silver, and platinum. This welding machine is a must-have for any professional jeweler or metalworker.