On November 10th, Henan Kaijie Water Treatment Co., Ltd.'s quote for coal-grade powder activated carbon is 2400 yuan per ton. The specifications of the coal-grade powder activated carbon are: domestic product with an iodine value of 300 and complying with the enterprise standard of Henan Kaijie Water Treatment Co., Ltd. 300 4. The validity period of this quote is 7 days. The quote is provided by Henan Kaijie Water Treatment Co., Ltd.