Thhn, Thwn, Electric Wire manufacturer / supplier in China, offering Thhn Thwn Standard Copper PVC Nylon Building Electric Conductor 600volts, 90º C Dry Wet Wire, Rh5z1 1*150 12/20kv Aluminum Conductor Aluminum Tape Screen LSZH Outsheath Power Cable, Unipolaire NFC 33223 36 Kv 1X50 Alu Aerial Bundled Cable and so on.