The difference between broken bridge aluminum 70, 80 and 90
1. Bridge aluminum 70 , 80, and 90 have certain differences in border width, indicating three widths of 7 cm, 8 cm, and 9 cm respectively. In addition, wall thickness, usage area, hardware type, and p…
90% of people are quickly watching the role of water reducing agent in pumping concrete
Water reducing agents are mainly used in the construction industry. What is the role of water reducing agents in pumping concrete? Adding water reducing agents to concrete can effectively save the amo…