1.UL,CE and ISO9001 2.Manufacturer 3.Ground Rod copper thickness: >=0.254mm 4.corrosion resistance 5.high tensile XI'AN JSBOUND TECHNOLOGY CO.,LTD is a professional grounding and exothermic welding products manufacturer and export in china.We have UL,CE,ISO9000 and other international certificates.The main products including: copper clad ground rod, exothermic welding mould, exothermic welding ...