Slewing Drive(housing,normal) is a new kind of rotary product. It is usually composed of worm, slewing ring, shell, motor and other components . As the core component uses slewing ring, so it can bear axial force ,radial force and tilting moment at the same time. It combines supporting, rotating and fixed functions in one.It can be used for :1. Solar trackers  2. Wind turbine  3. Vehicle & crane steering systems  4. Loading and unloading devices  5. Rotation of attachments such as excavators, grabs and fork lifts  Etc.