On October 26th, Henan Kaijie Water Treatment Co., Ltd.'s quote for activated carbon is 6,500 yuan/ton. The specifications of the activated carbon are domestic, with an iodine value of 700 and a standard set by Henan Kaijie Water Treatment Co., Ltd., which is in compliance with the company's standards. This quote is valid for a period of seven days. The quote is provided by Henan Kaijie Water Treatment Co., Ltd.