Kaifeng City Southeast Area Affordable Housing Construction Project - No. 1 Residential Building, No. 2 Residential Building And Supporting Building, No. 3 Residential Building, No. 4 Residential Building, No. 5 Residential Building, No. 6 Residential Building, No. 7 Residential Building, No. 8 Residential Building, No. 9 Residential And Supporting Building, No. 10 Transformation Supporting Room, No. 11 Transformation Supporting Room, No. 12 Transformation Supporting Room, Underground Garage, Air Defense Basement First Bid Section Change Announcement - First Change Correction Announcement Kaifeng City 2026-02-14