Group 1 - The core point of the announcement is the approval for Guotai Haitong Securities Co., Ltd. to provide primary market-making services for the Ping An CSI General Aviation Theme Exchange-Traded Open-Ended Index Fund (referred to as the General Aviation Fund, fund code: 561660) starting from March 26, 2026 [1][2][3] - The initiative aims to enhance the market liquidity and stable operation of the General Aviation Fund [1][2] - The announcement is issued by the Shanghai Stock Exchange on March 25, 2026 [3]