Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Quality Assurance & Testing

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A CERTIFIED, MULTI-STAGE QUALITY GOVERNANCE SYSTEM ENSURING MECHANICAL INTEGRITY, DIMENSIONAL ACCURACY, AND LONG-TERM DURABILITY OF EVERY BRIDGE COMPONENT.

Quality Assurance & Testing title

Our Quality Assurance & Testing service ensures that every component leaving our factory is rigorously validated against international material, welding, and structural performance standards.

From raw material certification to final assembly inspection, we manage a closed-loop quality governance system designed to guarantee long-term reliability—even under extreme climatic, hydrological, or load conditions.

This service is essential for clients requiring international compliance, third-party certification, and engineering-grade traceability for infrastructure projects.

Quality Governance System

  • Raw Material Verification

    Raw Material Verification

    SGS material chemical composition analysis; Mill certificates (ASTM/EN) validation.
  • Process Control & Welding Governance

    Process Control & Welding Governance

    Weld penetration monitoring; Heat input control; Robotic welding consistency checks.
  • NDT Performance Testing

    NDT Performance Testing

    Ultrasonic Testing (UT): internal defect detection; Magnetic Particle Testing (MT): surface crack inspection.
  • Dimensional & Assembly Accuracy Inspection

    Dimensional & Assembly Accuracy Inspection

    Panel alignment measurement; Hole position & bolt fit tolerance checks.
  • Surface Coating & Anti-corrosion Testing

    Surface Coating & Anti-corrosion Testing

    Coating thickness verification; Adhesion & salt-spray resistance evaluation.
  • Pre-shipment Structural Review

    Pre-shipment Structural Review

    Load-bearing compliance check; Component identification & traceability labeling.

Compliance & Certification

Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Why It Matters

arrow Ensures long-term load-bearing reliability

arrow Prevents structural defects and installation failures

arrow Reduces whole-life maintenance costs

arrow Provides documentation for government & contractor approvals

arrow Meets international procurement requirements for public infrastructure