Zhongda (Hebei) Bearing strictly audits the raw materials and accessories and strictly implements the quality control system for comprehensive screening. It always selects the best raw materials and the same supplier as SKF. Commercial qualification review to raw material inspection (physical and chemical laboratory), metallographic testing, dimensional tolerance testing, etc., in order to ensure the consistency of product accuracy and performance stability and life reliability.

Zhongda Bearings carries out detailed and strict control of the production process after the raw materials enter the factory, and carries out quality management system operations and processes from the stockyard yard and forging, turning, heat treatment, rollers, cages, grinding and testing centers Comprehensive review of process production control, and detailed analysis and verification of the traceability of the production process.