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.
Supplier Academy
Annual training program covering ESG reporting, carbon management, human rights due diligence, and quality systems. Available in 12 languages.
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.
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.
Supplier Excellence Awards
Annual awards recognizing suppliers who have demonstrated outstanding performance in quality, sustainability, innovation, and delivery — with preferential sourcing benefits.




