On November 9th, Henan Kaijie Water Treatment Co., Ltd. provided a quotation for coal-based powdered activated carbon at 4300 yuan per ton. The specifications of the coal-based powdered activated carbon include domestic products with an iodine value of 600, produced by Henan Kaijie Water Treatment Co., Ltd., meeting corporate standards, with a specification of 600 and 6. This quotation is valid for 7 days. The provider of the quotation is Henan Kaijie Water Treatment Co., Ltd.