Group 1 - The core point of the news is the upgrade of Mastercard single-branded credit cards to the new "China Mastercard" credit card system, enhancing payment experiences for cardholders [1][2] - The upgrade involves specific Mastercard single-branded credit cards issued by Guangfa Bank, allowing for expanded payment capabilities both domestically and internationally [1] - The upgrade process is simplified with a "one-click upgrade" service, enabling customers to complete the upgrade in as little as one minute [2] Group 2 - The upgraded China Mastercard credit card offers a wide range of domestic and international exclusive benefits, including Michelin restaurant reservations and high-end hotel discounts [2] - The upgrade aligns with trends in financial market openness and diversified consumption scenarios, meeting cardholders' needs for multi-scenario payments [2] - Guangfa Bank continues to focus on enhancing user experience and financial technology innovation, enriching product features and benefits for cardholders [2]