Tel 15131813933 mainly produces prestressed metal bellows, prestressed plastic corrugated pipe products, please contact us prestressed metal bellows construction program: Surveying → mold → mounted flat discharge dark beams and prestressed metal bellows position line → lashing dark beams and slab bottom reinforcement. Hydropower embedded → ribs of the steel mesh banding, installation prestressed metal bellows → lashing gluten → inspection and acceptance, the laying operation bridleways, Ann concrete pump → pouring concrete → concrete curing → split board bottom die. Construction technology of prestressed metal bellows, in situ concrete hollow slab in a direction parallel to the reinforced place the spaced permanent buried prestressed metal bellows. Prestressed metal bellows is arranged between the reinforced mesh with the board, the board at the end to form an overall steel banding, form the heart is not pumping situ concrete hollow slab after pouring concrete.