Continuous improvement is one of Ennostar Group's core values. The Group's long-term objective is to establish a quality culture in which everyone participates, ensuring the continuous improvement of products and services. Through continuous improvement activities, the Group constantly seeks opportunities, uncovers issues, and develops innovative solutions. Believing that everyone is a guardian of quality, the Group encourages all employees to heighten quality awareness and partic ipate actively in continuous improvement.

Through monthly quality meetings, the Group reviews customer complaint status, tracks the implementation of improvement measures, and confirms whether issues have recurred to ensure the e ectiveness of corrective actions. Internal management-process audits are also performed annually to ensure that the quality management system operates e ectively. The Group strives to optimize quality-validation processes and strengthen products' inherent quality and reliability; improve test coverage and detection capability to contain the production and escape of defective products; enhance process capability, stability, and accuracy; and continuously reduce product quality risks. These e orts ensure that products and services meet the highest quality standards and continue to satisfy client needs and expectations.

All Group companies have obtained external certification to ISO 9001 and IATF 16949 quality management systems. Lextar and Lextar Chuzhou have also both obtained ANSI/ESD S20.20 certification, while ISO 26262 and ISO/IEC 17025 certifications have been obtained as applicable. Since 2024, the Group has promoted the introduction of VDA 6.3, conducted internal and external training, and trained 82 people who obtained VDA internal auditor certificates, thereby strengthening automotive-product management. It has also advanced digital and smart-factory management. Through cross-functional collaboration, smart-quality management concepts are embedded in product life cycle processes, quality abnormalities are managed e ectively through intelligent controls, and benefits are maximized through management optimization. Long-term plans include equipment leveling and dedicated production lines, along with continued advancement against international automotive-industry standards to optimize automotive-product quality.