Quality Control

When we get order of the seals from your side, we need to follow the reasonable and qualified process flow to operate it.

Quality Policy

As an API Q1 10th and Lloyd’s ISO9001:2015 certified mechanical seal manufacturer in china, we implement rigorous quality controls through:

  • Risk-based process management_ aligned with API Spec Q1 10th Edition requirements.
  • End-to-end traceability systems_ covering design verification to final inspection.
  • Continuous improvement mechanisms_ with corrective action preventive action cycles.
  • Third-party validated procedures for material traceability and non-conformance control.


Our dual-certified quality system ensures every product exceeds API/ISO standards while fulfilling your specific operational safety and reliability needs.

Professional Testing Equipment

All testing equipment has a standardized calibration plan and strictly follows the calibration process.

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