On December 8th, the domestic price for activated carbon is 5500 RMB/ton. The specifications of activated carbon include a pH value between 5 and 7.5, a ash content of 8-10%, moisture less than 3%, filling density between 400 and 500, specific surface area greater than 900 M2/g, iodine absorption value greater than 800, and particle size of 250 mesh. The validity period of this quotation is three days. The quote provider is Henan Shunzhibang Environmental Protection Technology Co., Ltd.