On October 21, Henan Kaijie Water Treatment Co., Ltd.'s quote for wood powder activated carbon is 8300 yuan per ton. The specifications of the wood powder activated carbon include domestic product with an iodine value of 900 and are standardized by Henan Kaijie Water Treatment Co., Ltd. The quoted price is valid for 7 days. The quoting entity is Henan Kaijie Water Treatment Co., Ltd.