Sertipiko ng Kwalipikasyon ng Korporasyon
Ito ang sertipiko ng kwalipikasyon na nakuha ng Yixing Haina Environmental Engineering Co., Ltd., kabilang ang Second-Class General Contracting for Municipal and Public Works Construction (na-renew na may isang taong bisa hanggang Abril 16, 2026), ang Second-Class Specialized Contracting for Building Mechanical and Electrical Installation Engineering, at ang First-Class Specialized Contracting for Environmental Protection Engineering.
Kunin ang pinakabagong presyo? Tumugon kami sa lalong madaling panahon (sa loob ng 12 oras)