The domestic price for activated carbon on October 14th is 7500 yuan/ton. The specifications of activated carbon include a pH value between 5 and 7.5, ash content between 8 and 10%, moisture ≤3%, bulk density between 400 and 500, surface area >900M2/g, iodine absorption value >800, and particle size 250 mesh. The validity period of this quotation is seven days. The quoting entity is Henan Kaijie Water Treatment Co., Ltd.