On November 11, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-based powder activated carbon is 7200 RMB per ton. The specifications of coal-based powder activated carbon include: domestic product with an iodine value of 900, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 900 10. The validity period of this quotation is 7 days. The quoting party is Henan Kaijie Water Treatment Co., Ltd.