... lifting height can reach 120 metersThe lifting speed can be single-speed or double-speed or even multi-speed with frequency inverters.The prefered rail ... 2/1,4/2 or 4/1.The normal travelling speed is 20m/min, or 12.5,16,25,32,20 ... ,1800,2000,2500 and 3000 in metre.The normal travelling speed is 20m/min, or 32,40,20/6.5 and ...