The quotation of Henan Kaijie Water Treatment for coal quality powder activated carbon is 4500 yuan/ton. The specifications of the coal quality powder activated carbon are: domestic, 325 mesh, Henan Kaijie Water Treatment Co., Ltd., enterprise standard, new standard 700-120. The validity period of this quotation is 7 days. The quotation provider is Henan Kaijie Water Treatment Co., Ltd.