Residential  →
Building Beautiful Neighborhoods
Solutions
Technology, Manufacturing and Quality Assurance
LONGi Green Hydrogen Solution
Hi-MO X6 Product Family
LONGi Careers
Collaborative Employee-Focused Workplace
Contact LONGi
We want to hear from you!
About LONGi
Customer Services

Traceability Service

Full supply chain transparency — trace every LONGi module from raw material origin to your doorstep.

Total Supply Chain Transparency

In response to growing demand for supply chain transparency, LONGi has built a comprehensive digital traceability platform that allows customers, investors, and auditors to trace every module back to its source materials — verifying responsible sourcing and ethical manufacturing throughout.

⛏️

Raw Material Origin

Trace silicon sources to verified, responsible mining operations with third-party audited certifications.

🏭

Manufacturing Chain

Full visibility into wafer slicing, cell fabrication, and module assembly — plant by plant.

✅

Quality Records

Access flash test data, EL imaging results, and quality certificates for every individual module.

🌍

Carbon Footprint

Module-level carbon footprint calculations including Scope 1, 2, and 3 emissions from production.

Trace Your Modules

Enter your module serial number to access the full traceability report including material sources, manufacturing location, and quality certification data.

Industry Standards Compliance

✓Solar Industry Forced Labor Prevention Act (SIFPLA)
✓Uyghur Forced Labor Prevention Act (UFLPA) Compliance
✓IRMA Standard for Responsible Mining
✓RBA (Responsible Business Alliance) Code of Conduct
✓PVEL/Kiwa Supply Chain Traceability Program
✓BlueWave Supply Chain Transparency Standard