The requirement of civil engineering is low, and the requirement of top floor is very low, And screw elevator is pla tformtype ,no carwall structure,space utilization is relatively high.
It has the advantages of simple structure, high safety, lessvulnerable parts and less trouble of customer's later maintenanoe,Screwelevator structure principle makes screw elevator will not appear to rush top and squat bottom phenomen on.so screw elevator is also the first choice to install elevator incompound building.
手机网站二维码