Luoyang longda bearing Co., Ltd is a professional manufacturer in large size and extra-large size slewing bearing. So far, we had present to the market the slewing bearing with outer diameter from 200mm to 6000mm

Longda is a ISO9001 accredited company, and longda bearing is fully complied with GB bearing standard. The company insists on the aims of quality first and credit first each procedure is tracked and monitored and there are quality record and file for each piece of bearing in order to ensure the qualified rate to reach 100%. The satisfactions of the customers are always our goals.