Carbon Additive is a product that is added to molten steel. Carbon Additive includes CalcinedPetroleum Coke, Graphite Petroleum Coke, Calcined Anthracite Coal, Electrical Calcined Anthracite, Natural Graphite etc. For the steel-making industry, the most suitable carbon additive is calcined petroleum coke with fixed carbon of 98.5%min. Sulfur in calcined petroleum coke is a crucial element, for sulfur impacts the quality of steel. The lower the sulfur, the better quality of calcined petroleum coke. The sulfur content of calcined petroleum coke is decided by the sulfur content in petroleum coke. Northeast China is the only source of low sulfur (≤ 0.5) petroleum coke in the world. Panjin G-High Carbon Products Co., Ltd is the earliest and the only enterprise which possesses a nine-tier calciner in the Panjin district, Liaoning Province. G-High Carbon was founded in April 2005 and it has three plants, and the head office is located in Panjin. G-High Carbon holds the QMS ISO 9001: 2008 certificate issued by SGS, and it is the inspection-free CPC supplier approved by the State Entry-Exit Inspection and Quarantine Bureau. G-High Carbon has been the ORIGIN for many trading companies and metallurgical factories when they look for qualified carbon additives.