On November 10th, Henan Kaijie Water Treatment Co., Ltd. provided a quotation for coal-grade powdered activated carbon at 4300 RMB/ton. The specifications of the coal-grade powdered activated carbon are: domestic, iodine value 600, produced by Henan Kaijie Water Treatment Co., Ltd., with enterprise standards of 600 6. The validity period of this quotation is 7 days. The quoting entity is Henan Kaijie Water Treatment Co., Ltd.