Group 1 - The company announced the issuance of its 2024 fourth phase medium-term notes (MTN) with the abbreviation "24 Guangzhou Development MTN004" [1] - The bond payment and redemption process involves the issuer transferring funds to the designated account of the China Interbank Market Clearing House before the payment date [1] - If the payment date falls on a public holiday, the payment will be postponed to the next working day without additional interest [1] Group 2 - The issuer is Guangzhou Development Group Co., Ltd., with contact person Guo Xiaochuan and phone number 020-37850365 [1] - The management institution for the bond's duration is China Merchants Bank Co., Ltd., with contact person Hu Qianyu and phone number 0755-88026130 [1] - The registration and custody institution is the China Interbank Market Clearing House, with operational department contacts including Xie Chenyuan and Chen Gongrong, phone numbers 021-23198888 and 021-23198682 respectively [1]