(1) oxygen-free copper rod & bare wire, PVC wire, power cable, high voltage XLPE cable
, communication cable, optical- fiber cable, LAN cable
, low-smoke non-halogen( LSNH) cable, fire-resistant & heat-resistant cable, copper wire.
(2) fiber optical passive components( for communications industry)- coupler series,
WDM, standard singlemode filter, high isolation filter, attenuator, patchcord.