On November 22, Henan Kaijie Water Treatment Co., Ltd. quoted a price of 7200 yuan/ton for coal-based powder activated carbon. The specification of the coal-based powder activated carbon is: domestic, iodine value 900, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 900 10. The validity period of this quote is 7 days. The quote provider is Henan Kaijie Water Treatment Co., Ltd.