On November 2, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-grade powder activated carbon is 2400 RMB/ton. The specification of coal-grade powder activated carbon: domestic, iodine value 300, provided by Henan Kaijie Water Treatment Co., Ltd., enterprise standard 300 4. The validity period of this quotation is 7 days. The quote provider is Henan Kaijie Water Treatment Co., Ltd.