The domestic price for activated carbon on October 9th was 5,500 yuan per ton. The specifications of the activated carbon are: pH value between 5 and 7.5, ash content between 8 and 10%, moisture ≤ 3%, bulk density between 400 and 500, specific surface area > 900 M2/g, iodine absorption value > 800, particle size of 250 mesh. The validity period of the quoted price is 3 days. The quoting party is Henan Shunzhibang Environmental Protection Technology Co., Ltd.