2. Single-ROW Four Point Contact Ball Slewing Ring (Series Q, Series HS, Series 01), Tri-ROW Roller Slewing Ring (Series 13), Double-ROW Slewing Ring ( Series 02), Crossed Roller Slewing Bearing ( Series 11)
3.  Changzhou Aoxuan Heavy Bearing Co., Ltd. Is located in the beautiful and rich Yangtze River Delta region, with convenient transportation and obvious industrial advantages. the company covers an area of 33000 square meters, with a building area of 23000 square meters. It has more than 150 sets of production and processing equipment and testing equipment. the main products are: Single-ROW Four Point Contact Ball Slewing Ring (Series Q, Series HS, Series 01), Tri-ROW Roller Slewing Ring (Series 13), Double-ROW Slewing Ring ( Series 02), Crossed Roller Slewing Bearing ( Series J), slewing drive and precision grade cross roller bearing. It is mainly used in engineering machinery, industrial robots, port machinery, construction machinery, truck cranes, metallurgical machinery, single and double axis tracking systems for solar photovoltaic power generation systems and small wind power stations.
4.  Name of production equipment: CNC Vertical Lathe, CNC Horizontal Lathe, CNC Machining Center,CNC Vertical Machining Center, Gear Sharping Machine,Gear Hobbing Machine, CNC High Speed Gear Milling Machine, CNC Gear Chamfer Machine,CNC Raceway Quenching Machine, CNC Gear quenching machine,CNC All-gear Single Shot Quenching Machine, Inspection Equipment, Well Type Tempering Furnace, Chamber Type Tempering Furnace, CNC Raceway Grinding Machine, CNC Surface Grinding Machine, Radial Drill Machine, Special Boring Machine and so on.