Group 1 - The core announcement is that from October 22, 2025, the Rongtong Core Value Mixed Securities Investment Fund (QDII) Class C will have Bank of Communications as a new sales institution, allowing for regular investment services [1] - Investors can engage in regular investment services through the mentioned sales institution, with specific procedures and rules detailed by the institution [1] - For detailed information about the fund, investors are advised to read the fund's legal documents, including the "Fund Contract" and "Prospectus" [1] Group 2 - Contact information for Bank of Communications includes their website and customer service number [2] - Rongtong Fund Management Co., Ltd. also provides their contact details for investor inquiries [2] - The announcement is officially made by Rongtong Fund Management Co., Ltd. on October 22, 2025 [4]