Dear sir or madam:We require petroleum coke as per specifications mentioned under, qty required is 5000-20000 tons every month. please send us the complete details with the prices C&F tianjin , dalian and qingdao port china. The specifications of Petroleum coke we are interested for burning are: Moisture(%)6% ;Volatilize the share(%)11.62% ; ASH(%)1.72% ;Fixed carbon(%)82%-87% ;Sulphur(%)4.00%-6% ;Firing Value(kcal/kg)7300-8000 kcal/kg .We have regular requirement. If the above specifications are not available please send us the details of the specifications available with your company. please contact me and send a email to me ,Your early reply is requested. Thanks and regards andy hua.