Graphite Block, Graphite Powder, Graphite Mold manufacturer / supplier in China, offering High Purity Impermeable Graphite Bipolar Plate with Good Flexibility for Fuel Cell, Highly Conductive Graphite Blocks Are Used for The Production of Graphite Electrodes, Low Resistance & High Thermal Shock Resistance Graphite Block for Metallurgy Furnace and so on.