China-based Trinasolar has received TÜV Rheinland’s highest AA rating for supply chain traceability, covering all stages from polysilicon to module production. This certification follows a detailed on-site audit of its traceability mechanisms, assessing policies, system capabilities, and execution across key supply chain segments. Trinasolar is the first company in the photovoltaic industry to achieve this rating across its entire supply chain. The company’s approach to supplier management incorporates collaboration with IT, manufacturing, and customer service teams, as well as employee training programs, says Trinasolar. This robust traceability system ensures strict quality control, enhances project reliability, and aligns with global sustainability standards as per Trinasolar.