Core Viewpoint - Didi has signed a strategic cooperation agreement with Tianjin Public Transport Group to enhance urban smart bus services and promote digital upgrades in public transportation systems [1] Group 1: Strategic Cooperation - The partnership will focus on innovation in bus operation models and efficient asset utilization [1] - Both parties aim to explore projects such as ride-hailing buses, cultural tourism special lines, integrated Mobility as a Service (MaaS), and network integration [1] - The collaboration seeks to enhance business synergy and mutual benefits [1]