Supply and Installation of Precast Concrete Walls at the Wall Site (Precast, In Situ)

Supply and installation of precast concrete walls (precast, in situ) at the wall site, including separating and supporting columns made of 12 cm steel beams on a concrete foundation below ground level, reinforced concrete panels installed at the wall site, panel thickness: 10 cm, dimensions of each panel: height: 75 to 100 cm, length: 240 to 300 cm, wall height: 300 cm