Machine Features:? 1. Vacuum tube output and strong, stable and reliable performance. Automatically slide device, slide action shortcut precise positioning with high frequency frequency stability and high-frequency shielding device, the high-frequency noise due to a minimum 4. has 5557PL high-sensitivity over current spark guards, an increase of the vacuum tube life of 5. pressure dynamic compression way to reduce the intensity of the work to enhance the quality of the voltage products 6. installation of high-precision temperature control to ensure welding consistency 7 four-point-level regulation, the transfer mode is faster and easier and less time