Shanghai starts promoting Precast Concrete in Construction

Nearly every building, landscape and piece of construction in China uses insitu concrete (on-site poured) concrete. There are many issues with on-site concrete include Pollution: On site pollution, waste, noise, trucks, on-site mixers, soil compaction, water pollution Inefficient Usage: Concrete goes off (bad) quickly if not used within 20-30 minutes, transport needs to be fast …