On October 24, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-grade powder activated carbon is 4800 yuan/ton. The specifications of coal-grade powder activated carbon are: domestic, iodine value of 700, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 700, 6. This quotation is valid for 7 days. Quotation provider: Henan Kaijie Water Treatment Co., Ltd.