tender for charcoal (specification: charcoal type:hardwood charcoal, cross section: 3 centimeter,wholeround: 4 percent, chunk broken+ split broken: 20 percent, ash content: 3 to 5, sulfur(max on dry basis):0.2 percent, heating value(kcal/kg): 6800-7200, humidity percent:5-7, moisture:3-5, fixed carbon:74-78) .
