mời thầu: hồ sơ: https://drive.google.com/drive/u/5/folders/1zQdYkAwfX2RiuU4UBop5zlfzagzIyZhD
tài liệu https://drive.google.com/drive/u/5/folders/1zQdYkAwfX2RiuU4UBop5zlfzagzIyZhD
tài liệu thiết kế điện điều khiển https://drive.google.com/drive/u/5/folders/15qTfb6k_7kMd1a4Kj2LOOX8IzzyVV78A