Copper Mould Tube, Mould Assembly, Graphite Electrode manufacturer / supplier in China, offering High-Durability Copper Mold Tube for High-Speed Casting with Ni-Co-Cr Coating, High-Speed Casting Anti-Wear Copper Mold Tube with Ni-Co-Cr Composite Coating, High-Speed Casting Heat-Resistant Copper Mold Tube with Diamond-Shaped Cooling Channels and so on.