Express Direct Sourcing Co. Ltd. is one of the Chinese leading companies of carbon and graphite products for industrial applications in a diverse array of industries: machinery, electron, semiconductor, mono-crystal silicon metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication, space industry, navigation, aviation, atomic energy, medicine, food, bioengineering, etc.Our main products include extruded graphite material, vibration graphite material , mounded graphite material and some graphite machining part, like graphite crucible, graphite rotor and shaft (degassing system), graphite rods, tubes, plates.