... Welding machine 1.Large-scale pull strength and ripple line weld. 2.Voltage monitor automatically. Spot Welding machineIt can be used for ... time adjustment system.One side welding and both sides welding can be chosen.Welding needles for vertical pulling plage is available ... meson,vertical puling spot welding.Flatten,waveform line,whorl post triangle shim etc,welding fuction for different plates.Digital ...