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Quality Assurance System
IATF16949 & ISO certified quality management system, from raw material inspection to final shipment, every step is traceable and standardized.
At WJM, quality is not just final inspection — it is a core commitment throughout the entire production cycle. We build quality into every step from raw material incoming to finished goods shipment, ensuring stable, consistent and traceable product performance for long-term global partnership.
Quality is designed into production, not only inspected at the final stage.
Every key process has clear inspection standards and dedicated control points.
Risks are prevented at the source, not corrected at the final production step.
All quality data is fully traceable and systematically optimized on an ongoing basis.
Every production batch has complete traceable records, covering:
We systematically optimize our quality system:
Contact our team to request full quality audit reports or arrange on-site factory inspection to verify our complete QC system.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.