On November 21st, Henan Kaijie Water Treatment Co., Ltd.'s quoted price for coal-based powder activated carbon is 9000 yuan/ton. The specifications of the coal-based powder activated carbon include an iodine value of 1000, enterprise standard 1000, 12. The quoted price is valid for a period of 7 days. The quote provider is Henan Kaijie Water Treatment Co., Ltd.