1.The single cage construction elevator occupies less space, making it more suitable for construction sites with limited space compared to the double cage. 2.The construction elevator can transport more people and materials than a single cage construction hoist. Double cage construction elevators are mainly used in high-rise buildings and large infrastructure projects. 3.The construction elevator typically comprises a steel structure, an electrical system, and a hydraulic system. It can transport heavy loads and provide reliable lifting power.