How does QL ensure the stability of product quality in long-term partnerships?

QL has established solid partnerships with suppliers based on mutual quality goals and standards. Through regular quality review meetings and on-site audits, the company monitors suppliers' quality management systems to ensure they continuously meet the companQL's requirements. QL also encourages suppliers to participate in quality improvement projects, such as Six Sigma training and lean manufacturing techniques, to enhance the efficiency and quality of production processes. 

Through these comprehensive measures, the company can not only identify and resolve quality issues promptly but also promote the continuous upgrading of the overall quality management system across the supply chain, ensuring stability and reliability of product quality throughout the process from source to end-user. This relentless pursuit of quality and continuous improvement enables the company to maintain competitiveness in the global market while preserving long-term cooperative relationships with customers.