[Zheng Shangsuo: raising the Trading fee Standard for Cotton Futures 2309 contract]-according to an announcement by Zheng Shangsuo, since the night trading on June 6, 2023, the trading fee standard for cotton futures 2309 contract has been adjusted to 8 yuan per hand, and the standard of trading fee for Hiromaku trading within the day has been adjusted to 8 yuan per hand.