... ,ISO9000 and other international certificates.The main products including: copper clad ground rod, exothermic welding mould, exothermic welding powder, grounding ... electrode, GEM and so on. Grounding bonded rod couplings JSBOUND JB-CADescription Copper bonded steel grounding rod has been widely used ... 25JB-CA25Φ251200,1500,1800,2400,3000≥0.25 Grounding Bonded Rod Couplings,couplers