Graphite Crucible, Graphite Block, Graphite Mold manufacturer / supplier in China, offering Thermit Welding Graphite Mold for Copper Wire Straight Cross and T-Joint Configurations Graphite, Rapid-Heating Graphite Mold for Efficient Joint Formation Welding, Graphite Molds for Thermit Welding of Copper Busbars, Stranded Wires, and Ground Rods and so on.