Our company is specialized in the production of Northeast sulfur, low nitrogen and carbon calcined petroleum coke business agent, calcined coke chemical indicators: fixed carbon, "98.5% of sulfur," 0.5% ash, "0.5% volatile," 0.5% of true density "of 2.08 %, stable quality, reasonable price, be our negotiations. Telephone 04294016718 13019978566 Han Wu and another dusting powder and calcined petroleum coke, calcined coke sales of 0-1 mm.