Graphite Electrode, Graphite Rod, Graphite Block manufacturer / supplier in China, offering Professional Manufacturer Processing Graphite Electrode Block EDM High Purity Carbon Graphite Blocks, Factory Direct High Strength Graphite Block 0.8mm Grain Size Graphite Block, 99.99% Ultra Pure Graphite Rods for Vacuum Furnaces - High Temp 3000° C, Density 1.8g/Cm³ , Custom Machining Service and so on.