On November 26, Henan Kaijie Water Treatment Co., Ltd.'s quotation 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 of 1000, 12. The validity period of this quotation is 7 days. The provider of this quotation is Henan Kaijie Water Treatment Co., Ltd.