On December 6th, Henan Kaijie Water Treatment Co., Ltd.'s quotation for coal-based powder activated carbon is 3500 RMB/ton. The specifications of the coal-based powder activated carbon include: domestic product with iodine value of 500 and standardized by Henan Kaijie Water Treatment Co., Ltd., with a specification of 500 6. The validity period of this quotation is 7 days. The provider of this quotation is Henan Kaijie Water Treatment Co., Ltd.