Tianjin Economic And Technological Development Zone Committee Office Of The Communist Party Of China (Tianjin Economic And Technological Development Zone Management Committee Office) Competitive Consultation Announcement For The Procurement Of The 2026 Software Operation And Maintenance Service Project (Project Number: Tjbh-2026-D-0030) By The Tianjin Economic And Technological Development Zone Committee Office Of The Communist Party Of China (Tianjin Economic And Technological Development Zone Management Committee Office)