Quality Control
Quality Control Process

Our Quality Control Team consists of skilled engineers and inspectors who strictly monitor every stage of production.
From raw material testing to final inspection, we ensure each steel pipe meets ISO 9001 and international standards.
With advanced testing equipment and a commitment to excellence, our team guarantees stable quality, full traceability, and customer satisfaction.
 

Team Structure

  • QC Engineers: Responsible for process supervision, data recording, and quality system implementation.

  • Material Inspectors: Conduct incoming raw material checks including chemical composition and mechanical testing.

  • In-process Controllers: Monitor dimensions, surface quality, and production parameters during manufacturing.

  • Testing Technicians: Operate advanced testing equipment for non-destructive and pressure testing.

  • Final Inspectors: Verify appearance, size, and packaging before shipment, ensuring zero defects.

Team Capabilities

  • Skilled in ASTM, DIN, EN, JIS, and GB standards

  • Trained in ISO 9001:2015 quality management procedures

  • Proficient in operating spectrometers, ultrasonic flaw detectors, hardness testers, and hydrostatic machines

  • Maintain 100% traceability and full documentation for every batch

Wuxi Hengxin Zhicheng International Trade Co., LTD quality control 0Wuxi Hengxin Zhicheng International Trade Co., LTD quality control 1Wuxi Hengxin Zhicheng International Trade Co., LTD quality control 2Wuxi Hengxin Zhicheng International Trade Co., LTD quality control 3

Our Certificates
China Wuxi Hengxin Zhicheng International Trade Co., LTD certification
AAA Quality Oriented And Trustworthy Enterprise
  • Issue Date:2025-11-20
  • Expiry Date:2028-11-19
China Wuxi Hengxin Zhicheng International Trade Co., LTD certification
CE Certificate
China Wuxi Hengxin Zhicheng International Trade Co., LTD certification
ISO Certificate
China Wuxi Hengxin Zhicheng International Trade Co., LTD certification
Classification Society Certificate
China Wuxi Hengxin Zhicheng International Trade Co., LTD certification
API Certificate
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