... AN JSBOUND TECHNOLOGY CO.,LTD is a professional grounding and exothermic welding products manufacturer and export in china. We have UL ... international certificates. The main products including: copper clad ground rod, exothermic welding mould, exothermic welding powder, grounding electrode, GEM and so on. Jsboud graphite ... one minute-much faster than other methodsSimple to use Exothermic Welding Mould