DNW Series Automatic Muliti-Spot Welding Machine High speed ,Save power ,Good Productivity ,Easily operate Automatic Muliti-Spot Welding Machine(Wire Mesh ... structure,(3)Main welding circuit, (4)Crosswire pitch automatic feeding equipment,(5)Longitudinal pitch feeding equipment,(6)Drawing ... cylinder. The equipment match the gas storage jar to level off the press of the gas sources, guarantee the ...