On November 3rd, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-quality powder activated carbon is 5500 yuan per ton. The specifications of the coal-quality powder activated carbon are as follows: domestic product with an iodine value of 800, standardized by Henan Kaijie Water Treatment Co., Ltd., and complying with the enterprise standards, 800 8. The validity period of this quotation is seven days. The quote is provided by Henan Kaijie Water Treatment Co., Ltd.