Graphite, Graphite Block, Graphite Mold manufacturer / supplier in China, offering High Density Coated Graphite 1.85 1.91g/cm3 for Casting Bronze Brass Copper, Inside Coating Hexagonal Round Gear Square Customized Graphite Die for Casting Brass, Providing Technology Professional Graphite Die Produser for Casting Brass/Copper and so on.