On November 5th, Henan Kaijie Water Treatment Co., Ltd.'s quotation for wood powder activated carbon is 5500 yuan/ton. The specifications of the wood powder activated carbon are: domestic, iodine value 700, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 700 10. The validity period of this quotation is 7 days. The quoting party is Henan Kaijie Water Treatment Co., Ltd.