On December 9th, Henan Kaijie Water Treatment provided a quotation for coal quality tar pitch activated carbon at 15,000 yuan per ton. The specifications of the coal quality tar pitch activated carbon are: Kaijie φ4mm, Henan Kaijie Water Treatment Co., Ltd. GB/T7702.7-2008 1000. The validity period of this quotation is 3 days. The quoting party is Henan Kaijie Water Treatment Co., Ltd.