Fujian Longxi Bearing (Group) Corporation Limited (hereinafter referred to as LS) is a modern listed company that specialises in the production of spherical plain bearings (SPB), tapered roller bearings, gears, gearboxes, automobile parts, and knitting mechanical equipment. LS are one of the Top 100 Enterprises of China Machinery Industry Core Competence, Key National Torch Plan High-Tech Enterprises, and National Innovative Pilot Enterprises. LS is the largest supplier and exporter of spherical plain bearings in China.