After six hours of “pasting”! Yangpu’s first integrally assembled elevator “landing” March 18, 2022 By precastconcrete precast concreteprecast concrete Click Shanghai levy above to pay attention to our article. Fixing Socket Cross Hole Nail Plate Post navigation Previous Post Announcement of the Ministry of transport on Issuing the code for design of highway precast concrete bridges Next Post Focus on the two sessions! This year, light steel will do like this! Vigorously promote rural precast housing construction