Numeric control mechanic fencing welder:1 welded wire diameter:2mm to 5mm2 welded aperture:1"x2"------4"x6"3 welded width:at most 2500mm4 transformer No: 6 pieces of transformers5 transformer power:200 KVA6 transformer discharge type: alternating discharge(saving electrec power)7 the transformer of the welder is air cooled down automatically8 the welding is done by one pressing and welding several times9 the welder adopts cycle control when welding,reducing electricity grid pollution10 the welding pressure can be adjustable11 machine outside size: 3.4mX2.1mX1.5m.