cast in place reinforced concrete floor
cooling and heating radiation floor system
concrete-pan system grid floor
wear-resistant concrete floor
system of non rectangular column with small size hollow concrete blocks
steel-tube concrete expert system
steel frame with concrete core tube hybrid system
reinforcement concrete floor filled hollow steel-tube
prestressed folded concrete floor
pre-stressed concrete hollow floor
prestressed concrete floor slab
pouring concrete building floor
plain-surface concrete floor tile