... the central of welding machine.2.2Cross Wire Feeding System:Automatic cross wire loading carriage with single wire hopper for sorting ,positioning ... and ejecting straightened,cut to length cross wires.2.3Steel Shelf Mesh Welding System:According to the ... supply,non-wires,fault of line wires discharging,fault of cross wires ejecting,line wire forwarding,short of welding power, ...