Zhongda (Hebei) Bearing strictly implements the quality control system for auditing raw materials and accessories and conducts comprehensive screening. It always selects the best raw materials and the same SKF supplier. Zhongda Bearing strictly follows the supplier approval process to select raw material suppliers. From the supplier qualification review to the incoming raw material inspection (physical and chemical laboratory), metallographic testing, dimensional tolerance testing, etc., the products are reviewed sequentially to ensure the accuracy, consistency, performance stability and life reliability of the product itself.
Zhongda Bearing carries out detailed and strict control over the production process of raw materials after entering the factory, and conducts quality management system operations and processes from the material yard and warehouse to forging, turning, heat treatment, rollers, cages, grinding, testing centers and other processes. Comprehensive review of process production control, and detailed analysis and verification of the traceability of the production process.