WQQ Electric Double-Girder Overhead Crane is designed according to the Chinese national standard GB/T14405-1993. The Electric Double-Girder Overhead Crane can be working at the mechanical and assembly workshops, metal structure workshops, mechanical maintenance workshops, warehouses, ironworks and foundries, etc.

The Crane travels along the runway steels of the workshops, and it works through the movements of the trolleys and the hoists.