The LS brand traces it roots to 1958 to the Fujian Longxi Bearing Factory.  Since then, the LS brand represents the premier name in spherical plain bearings and rod ends produced in China.  As an LS Bearing authorized LS distributor, AST Bearings stocks their products receiving them directly from the factory.  The LS factories and production centers (six factories with 700 production machines) are manufacturing some of the highest quality products in the world.  

The LS QC team includes nearly 120 inspectors, who have an average of more than 10 years' experience combined.  Their operations are KOYO 6307 Bearing certified to ISO/TS 16949, ISO 9001:2015 and ISO 14001:2004 standards.  LS products come with a long list of approvals, including TUV, CSA, ITS, SGS, Intertek and BV.