On November 20th, Henan Kaijie Water Treatment Co., Ltd. provided a quotation for coal-quality powder activated carbon at 4300 RMB per ton. The specifications of the coal-quality powder activated carbon are: domestic product, iodine value 600; Henan Kaijie Water Treatment Co., Ltd., enterprise standard, 600 6. This quotation is valid for 7 days. The quoting party is Henan Kaijie Water Treatment Co., Ltd.