On October 6, the domestic price for activated carbon is 7500 yuan/ton. The specifications of activated carbon are as follows: pH value between 5 and 7.5, ash content between 8 and 10%, moisture less than 3%, bulk density between 400 and 500, specific surface area greater than 900 m²/g, iodine absorption value greater than 800, particle size 250 mesh. The validity period of the price is 7 days. The provider of the price is Henan Kaijie Water Treatment Co., Ltd.