Project Engineering: Chongqing City PC Daylighting Tunnel

　　PC daylighting board is a plastic building material commonly used internationally. It has advantages that other building decoration materials (such as glass, plexiglass, etc.) cannot match, and it is called "unbreakable glass". Widely used in greenhouses/industrial plants, decoration, advertising signs, parking sheds, passageway lighting poncho residences, commercial building lighting canopies, exhibition lighting, sports venues, swimming pools, warehouse lighting roofs, commercial plants, sports stadiums, lighting canopies and sunshades, Agricultural greenhouses, aquaculture and flower greenhouses, as well as public facilities such as telephone booths, newsstands, stations, highway sound insulation, advertising and decoration fields.