On October 30, Henan Kaijie Water Treatment Co., Ltd.'s quotation for wood powder activated carbon is 4300 yuan/ton. The specification of wood powder activated carbon: domestic product, iodine value 600, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 6008. The validity period of this quotation is 7 days. Quotation provider: Henan Kaijie Water Treatment Co., Ltd.