Lingken has always attached great importance to quality management, and has always adhered to the quality concept of "keep improving, continuous improvement", established a modern enterprise management system, and implemented group quality control. Taking the quality management system as the core, adopting digital management, intelligent manufacturing implements comprehensive control over the whole process of product quality, effectively covering business processes such as product design and development, procurement, production, marketing services, human resources, equipment management, product verification and delivery , to achieve institutionalized, process-based and systematic scientific supervision and management.