MG double girder gantry crane This machine is suitable for mining, port yard head, rail cargo terminals, warehouses, and other boring outdoor loading and handling, and can work with a variety of special spreader. Main features: 1. The machine consists of the door frame, traveling mechanism, trolley and electrical equipment. 2. The door frame with double box girder, π-type legs welded structure, safe and reliable. 3. crane into the form of conductive cable reel and trolley wire (optionally) 4. Line rail car used to guide the conductive cable. 5. All institutions are in the control room manipulation, convenient, flexible and comfortable. 6. parts standardization, universal, serialization. Selection of the machine, please indicate in the environment do the maximum, minimum temperature and power supplies. Design can be changed according to user needs.