Founded in 1980s, the factory as former state-owned company, was reconstructed into a joint-stock company in 2005. Now five branches are belonged to him, Factory I(Slewing bearing, The headquarter), Factory II(Slewing bearing for wind turbines) Factory III(Ring-forging Factory), Company IV(Beijing International trade office), Company V(Wind and Solar energy development and construction office).

Two kinds of product are provided by us, slewing bearing and slewing drive. Slewing bearing includes six series, for example, Single-row Four-point Contact Ball Series, Single-row Crossed Roller Series, Tri-row Roller Series, Double-row Ball Series, Double-row Different Roller Series etc. The raceway diameter range from 200mm to 5000mm. Slewing drive includes eight series, for example, Single axis slewing drive(3-28 inch), Dual axis slewing drive(3-21 inch), Single-worm slewing drive(3-28 inch), Double-worm slewing drive(14-28 inch), Enclosed-housing slewing drive(3-28 inch), Open-housing slewing drive(9-25 inch), Vertical slewing drive(3-21 inch), Spur-gear slewing drive(12-38 inch) etc.

Slewig drive perform Data: