The capacity of an earthing circuit to protect the safety of personnel depends on the quality of the connections made.
JIAHE exothermic welding is RENTONG ' s patent product in China. And it has the best quality in China as the same product in U. S. A. And U. K. So JIAHE Exothermic welding powder is qualified by national authority test department Wuhan High Pressure Research Institute State Power Corporation of China with the testing reports. JIAHE is the only one who obtains this testing report at the present time.
The principle of the exothermic welding consists of bring together a welding filler material and ignition agent in a suitable graphite mould. The shape of the mould, its dimensions, and the size of the weldmetal, are all dependent on the item to be welded and their size.