1,Copper wire tinning machine 450/750V. 2,10sqmm-185sqmm 3.PVC insulation. 4,IEC,BS,VDE,GB/T,JB/T ... Procedure: 1, Copper wire drawing and annealing.2, Copper wire stranding .3,PVC insulation extruding.4,Cores Twisting.5,Spooling. ... Main Quality Inspection Equipment:Spark Tester,Heating aging Chamber,High resistance machine ...