On December 9, Henan Kaijie Water Treatment Co., Ltd.'s quoted price for activated carbon is 4800 yuan per ton. The specifications of the activated carbon are domestic, with an iodine value of 300 and a standard set by Henan Kaijie Water Treatment Co., Ltd. The validity period of this quote is 7 days. The quote provider is Henan Kaijie Water Treatment Co., Ltd.