On November 2nd, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-grade powdered activated carbon is 5500 yuan/ton. The specifications of the coal-grade powdered activated carbon include: domestic product with an iodine value of 800, manufactured by Henan Kaijie Water Treatment Co., Ltd., in accordance with enterprise standards, and priced at 800 8. The validity period of this quotation is 7 days. The quoting entity is Henan Kaijie Water Treatment Co., Ltd.