MH type truss electric hoist gantry crane is a small and medium-sized simple gantry crane with cantilever. The electric hoist adopts CDI, MDI and other forms. The main beam angle steel or channel steel is welded with I-beam. The trolley running mechanism adopts a three-in-one drive device. Its applicable lifting capacity is 3-16t, the applicable span is 10-26 meters, and the working environment temperature is within the range of -25-+40℃. It has a simple structure, easy installation, use and maintenance, and is mostly used in factories, freight yards, docks, hydropower stations and other places with low frequency or few rated lifting times. Advantages: fast delivery and economical; Disadvantages: relatively large shaking during use, low working level, not suitable for heavy occasions. This crane has three operating modes for users to choose: ground, control room and remote control.