On October 19, Henan Kaijie Water Treatment Co., Ltd.'s quotation for wooden powder activated carbon is $6600 per ton. The specifications of the wooden powder activated carbon are: domestic product with an iodine value of 800, manufactured by Henan Kaijie Water Treatment Co., Ltd., enterprise standard: 800, 12. The validity period of this quotation is 7 days. The quoting entity is Henan Kaijie Water Treatment Co., Ltd.