0319-5628888
mr.suo@zrbearing.net
Raw materials come from suppliers within the same tier as leading international brands, selected batch by batch after supplier approval and designated management.
Cooperation with suppliers within the same system as leading international brands; comprehensive assessment of qualifications, production capacity and QA capability with designated management.
The corporate physicochemical laboratory analyzes chemical composition and physical properties of every batch, blocking non-conforming raw materials.
Metallographic microscopes examine microstructure to control intrinsic material quality, ensuring precision consistency and reliability from the source.
Multi-dimensional incoming inspection ensures the source foundation for running stability and service-life reliability.
The Production Part Approval Process (PPAP) submits and verifies all 19 requirements, confirming that production understands and steadily meets every design and specification requirement.
The 19 requirements of a PPAP submission:
Refined, whole-process quality control reduces manual intervention and enables integrated human-machine coordinated production.
Every stage carries traceability management and verification, achieving full-chain quality control from raw material to finished product.
The quality management system takes customer needs as its input and monitors customer satisfaction continuously, designed for specific bearing products and related processes.
Zhongda Bearing operates a provincial-level technology R&D center and has jointly established the "China-Serbia Shared Laboratory" with Belgrade, Serbia — built jointly across the two sites with a combined floor area of 3,300 m², under the quality policy of "superior quality, superior service, zero defects, continuous improvement".
Precise analysis of chemical composition, metallographic structure and microstructure.
Comprehensive testing of dimensional accuracy, rotational accuracy and load capacity.
Accelerated life tests verifying service life under various operating conditions.
Reliability verification under high/low temperature, humidity, salt spray and vibration.
Strict testing standards from raw material to finished product ensure stable quality.
The laboratory is equipped with over 300 sets of international high-precision instruments from Leica, Leitz, Taylor Hobson and Danqing, with dedicated metrology, physico-chemical and testing rooms.
Precision device · Profile & geometric tolerance
Precision device · Dimensional accuracy
Precision device · Performance test rig
In 2019 Zhongda Bearing implemented its ERP system linked with shop-floor MES and SPC, synchronising information and material flow for full traceability; it now runs 13 interconnected information systems across sales, R&D, production, quality, warehousing and logistics.
Full digital management of orders, materials and supply chain, laying the foundation for OEM supply-chain upgrades.
Workshop execution control reduces line-side intervention and achieves efficient human-machine cooperation.
Real-time statistical analysis with instant alerts on abnormal variation keeps batch quality stable and controllable.
Transparent, visualized workshop information — quality data at any stage can be queried, verified and traced.
End-to-end data from raw-material batches to finished products supports OEM supply-chain system upgrades.
Choose Zhongda Bearing — every bearing set comes with verifiable quality records. Our QA team can provide product test reports, certification documentation and technical support.
