Huafang Hi-Tech is a professional slewing drive and slewing ring manufacturer in China. Our products include slewing drives, slewing ring and related components, which are mainly applied in single or dual axis solar tracking systems, construction vehicles, port machinery, modular vehicles and small wind power systems. Slewing drives/reducers are being chosen by customers home and aboard for PV/CPV solar thermal tracking systems due to the combination of slewing ring with the hourglass worm shaft, which provides more tooth contact, increased drive torque and smoother rotation. There are nine (9) different sizes available from 3 inch to 25 inch with more than 60 models to meet both regular and precise tracking requirements in PV, CPV and solar thermal power tracking fields. Huafang Hi-Tech has been leading its competitors by being ISO9000-2008 and CE certified.