Our company trading in slewing bearing from Shanghai, China to worldwide. Main products are five series of slewing ring bearings: single-row spherical type, double-row spherical type, three-row spherical type, three-row rolling type and crossover rolling type. They are applied for all standards or non-standards specification ranged 195-3550mm. Aosen brand slewing ring bearings are used allover the country in excavators, truck cranes, tower cranes, environment protection machines and light industrial machines, but also exported to USA, Germany, India, Australia, Singapore, Spain and Middle East etc.