The domestic price for activated carbon on September 30 is 5500 RMB/ton. The specifications of activated carbon are as follows: pH value between 5-7.5, ash content between 8-10%, moisture less than 3%, bulk density between 400-500, surface area greater than 900 M2/g, iodine absorption value greater than 800, and particle size 250 mesh. The validity period of the price quote is 3 days. The provider of the quoted price is Henan Shunzhibang Environmental Protection Technology Co., Ltd.