... Bare Copper Conductor-- PVC Insulated----3 Pairs core wire twisted ----PVC Sheathed 2. Production Process 2,1 Stranded ... extruding . mainly used for copper wire / Aluminum wire insulated , cored wire sheath , such as house wire, electrical wire ,power cable , building cable ... LAN cable etc . 3. Single/Twin core twisted --- Ø630 Core Wire twist stranding machine Application : For twisting PE/PVC ...