HWASHI Computer Controlled Medium Frequency Spot Welding Tool for Mental Wire FEATURE 1. Reducing operation cost, including saving the energy of each spot welding and reducing the cycle of welding. 2. Saving Energy : Compare with using low frequency, it can help to reduce the consumption of electric energy. The transformer of the same weight could output more energy. It can also be conveniently used with the large automatic welding clamp. 3. In a semi-automatic machine, one