Supplier: 1.coal tar pitch, 2.coal tar, 3.creososote oil, 4.calcined petrolatum coke, 5.activated carbon, 6.crude naphthalene, 7.graphite electrode, 1.modified coal tar pitch, 2.low temperature coal tar pitch, 3.globular coal tar pitch, 4.crude naphthalene, 5.refined naphthalene, 6.graphite electrode, 7.dry coke powder, 8.ferro silicone nitride, 9.carbon additive, 10.coal columnar activated carbon, 11.carbon black, 12.calcined petrolatum coke, 13.cored wire, 14.10# construction bitumen