On November 12, the price for domestic activated carbon was quoted at 7500 yuan per ton. The specifications of the activated carbon are: pH value between 5 and 7.5, ash content between 8 and 10%, moisture less than or equal to 3%, bulk density between 400 and 500, specific surface area >900 M2/g, iodine absorption value >800, particle size 250 mesh. The validity period of this quote is 7 days. The quote provider is Henan Kaijie Water Treatment Co. Ltd.