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About LONGi
Supply Chain

Supplier Collaboration & Empowerment

Building long-term, collaborative partnerships with our suppliers to achieve shared sustainability goals.

Beyond Compliance — Partnership

LONGi moves beyond audit-and-penalize approaches to build genuine, collaborative partnerships with our suppliers. We invest in their capability building, share best practices, and recognize outstanding performance through our annual Supplier Excellence Awards.

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Supplier Academy

Annual training program covering ESG reporting, carbon management, human rights due diligence, and quality systems. Available in 12 languages.

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Joint Improvement Plans

When audits identify gaps, LONGi works with suppliers to create time-bound improvement plans with dedicated LONGi support rather than immediate disqualification.

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Innovation Collaboration

LONGi's open innovation platform connects suppliers with R&D teams to co-develop next-generation materials and processes with shared IP benefits.

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Supplier Excellence Awards

Annual awards recognizing suppliers who have demonstrated outstanding performance in quality, sustainability, innovation, and delivery — with preferential sourcing benefits.

2,500+
Active Supplier Partners
12,000+
Supplier Training Hours
98%
Supplier Satisfaction Score
15yr
Avg Key Supplier Relationship