Automatic Twelve Head Gantry Refrigerator Condenser Welding Machine The automatic twelve head gantry refrigerator condenser welding machine moves the gantry precisely across the wire tube condenser while twelve welding heads perform firm spot welding automatically, minimizing manual operation and labor cost. Key Features - Firm Welding & Labor Cost Reduction Gantry structure with twelve welding heads for wide condenser panels Automatic positioning and welding cycle, only one