1. It has the optimal flexible schedule and wide adaptability, moreover, which can adapt to the bulk commodities which have different densities and particles after replacing its hand grabs.
2. Due to the matured product, simple structure and strong reliability, it can be widely used in the bulk unloading from ships in the seaport.
3. Considering that its reclaiming grab bucket has simple structure, it is simple to repairing and maintaining the ship unloader due to the small workload.
4. It has the special superiority when the corrosive bulk commodities are unloaded.
5. It has strong adaptability for the different particle sizes of bulk materials, such as, the materials with more than 300-800mm particle size can be grabbed.
6. It has good adaptability for the hatchways of the bulk ships, meanwhile, which will not be affected by the tidal level.