... silvered Copper 6years' exporting 15years' manufacturer all kinds of grounding kits for feeder cable,protecting cables & equipments from lighteningfor: ... framework, strap copper, spring,seperated, indoor,outdoortype: grounding wire, grounding clamp, copper grounding barprice:15 years' manufacturer ,more competitive than othersService: ... China unicom,China telecom, etc.Sales:1billion/year Grounding Kits