SBI is one of the China's leading manufacturers of rolling bearings including slewing drive,slewing bearing,full complement cylindrical roller bearing,tandem bearings and other special bearings. As a development partner to the solar power generation applications, we have been supplying slewing drives supports to this sector for over 6 years. With our SBI brands, we always offer the best technical and most cost-effective solution for every bearing position – from PV tracking system to the horizontal and elevation angle adjustment systems. Our product range is rounded out by slewing bearing housings, special rolling bearing greases and a wide spectrum of services and products for maintenance and condition monitoring.