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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE
Steel heat-number markings and ZZ Steel traceability tag

Material Traceability

Transparent. Traceable. Trustworthy.

At ZZ Steel, we implement a complete material traceability system from raw material to finished product.

Every step is recorded and traceable to ensure the quality, reliability and safety of our products.

100% Traceable

Every material has a unique identity.

Quality Assured

Strict control from source to product.

Data Transparent

Complete record and data management.

Quick Response

Fast tracking and problem resolution.

Compliance

Meet international standards.

Customer Trust

Reliable quality you can depend on.

Material Traceability Process

Raw Material

Materials are purchased from qualified steel mills.

Mill Certificates

Obtain heat number and mill test certificates.

Incoming Inspection

Verify heat number, chemical composition and dimensions.

Material Identification

Assign unique ID and attach traceability label.

Production Process

Cutting, drilling, welding, galvanizing and assembly.

Finished Product

Final product with complete traceability record.

Delivery & Archive

Delivery with documents; records archived for years.

How We Trace Every Piece of Material

Heat number marking on steel plate

1. Heat Number Marking

Each steel plate purchased with heat number, standard and size.

Incoming heat-number verification

2. Incoming Verification

Scan and verify heat number and mill certificates.

Unique traceability ID label

3. Unique ID Assignment

Attach traceability label with unique ID to each material.

Production tracking in the steel workshop

4. Production Tracking

Track material through each production process.

Finished galvanized products ready for tracing

5. Finished Product Traceability

Each component can be traced back to its original material.

Delivery and record-keeping container

6. Delivery & Record Keeping

Provide full documentation; keep records for at least 10 years.

Information Recorded

  • Heat Number
  • Mill Test Certificate (MTC)
  • Material Grade
  • Chemical Composition
  • Steel Mill
  • Mechanical Properties
  • Standard & Specification
  • Surface Treatment
  • Dimensions & Weight
  • Production Batch / Location

Sample Traceability Documents

Mill Test CertificateMill Test Certificate (MTC)
Material identification labelMaterial Identification Label
Chemical composition reportChemical Composition Report
Galvanizing certificateGalvanizing Certificate

Traceability System Management

We use advanced ERP system to manage all material data and traceability information.
Each step is recorded in real time and data is securely stored.

ERP Data Management

Centralized data management system.

Real-time Recording

Data recorded in real time.

Secure Storage

Cloud backup and long-term secure storage.

Quick Search

Search by heat number, ID or project.

Reliable transmission tower supported by traceable materials

Benefits to Our Customers

  • Ensure product quality and safety
  • Facilitate project inspection and third-party audit
  • Provide reliable support for warranty and after-sales service
  • Reduce risk and improve project management efficiency

Traceable Material. Reliable Quality. Lasting Trust.

ZZ Steel is committed to providing high quality products with complete material traceability.

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