Hwashi spot welding machine|Pedal Spot Welder DESCRIPTION: 1. Widely apply to welding of metal plate, lamps, low-carbon steel, stainless steel plate and round wire of hardware electrical appliance industry. 2. Under the effect of gradual increased current from forepart and heat treatment from back end, be able to set the optimum welding current which can effectively prevent the welding spatter or curb the overheat of current. 3. The below electrode arm can be adjusted from up to down, from left to right, from front to back; The power structure which is transmitted by reasonable pressurizing to the leverage together with power is flexible with reliable conductivity and durable.