Dumper unloading system is a large-scale professional railway wagon unloading equipment, which is widely used in ports, logistics bases, thermal power plants, steel plants, cement plants and coal chemical enterprises. Its function is to unload the bulk materials loaded by railway wagons to the hopper below in an efficient and automatic way, and then transport them to the designated stockyard by belt conveyor and other equipment. Wagon unloading system plays an important role in the logistics system of countries with railway network.

ERT series electric tractor is railway wagon traction equipment driven by electric power running on the track. It is mainly used in railway station yard for bulk wagon loading and unloading operation, replacing locomotive and other traditional traction equipment to conduct traction and positioning operation within a certain distance.

The main characteristics of ERT series electric tractor are: low speed with heavy load, high positioning accuracy, energy saving and environmental protection, and various control and operation modes through network communication.

The hopper wagon unloading system is an automatic unloading system designed for KM80, KM98 and other special railway bottom open wagon. It has the characteristics of high efficiency, energy saving and high reliability. It is especially suitable for users who transport bulk materials in short distance by railway.

Dalian Sanfeng is the only manufacturer of the complete set of equipment in China.