Walsin Lihwa adheres to the spirit of "foresight, persistence, and hard work in research and development" to implement PDCA cycle management of Plan, Do, Check, and Act. In terms of product quality control, in addition to complying with international standards and industry needs, we have obtained multiple product certifications. The Wire and Cable and Stainless Steel Business Groups follow the ISO 9001 Quality Management System and strengthens quality management and risk control. Through process management and technology application, from product design to after-sales service, we ensure that the quality of our products meets customer expectations. We adopt PDCA and Business Process Re-engineering (BPR) strategies to improve operational efficiency and personnel capabilities, and strengthen independent quality management. We promote DMAIC solutions, and through Define, Measure, Analyze, Improve and Control, we apply advanced quality tools and big data to conduct risk assessment and quality control to ensure that products meet "Zero defects" and achieves a win-win situation of quality and customer satisfaction.

Plan, do, check, and action on various processes of the quality management system to ensure the achievement of organizational quality objectives and continuous improvement.

Walsin is committed to "innovation, stable quality, and efficient management", constantly improving product quality, expanding the market, establishing a reliable quality system, and implementing quality improvement action plans:

• The quality assurance department has been given independent responsibilities and authority.
• Adopt international-level testing equipment, establish a TAF-level testing laboratory, and cooperate with third-party organizations to ensure technical verification.
• Strengthen risk management and ensure the reliability of products and services through analysis.
• Strengthen product portfolio and industry-university-research cooperation, improve the success rate of new product development and open up new markets.
• Provide customers with the required certifications to ensure product performance and quality and meet market demands.
• Improve manufacturing capabilities, apply Industry 4.0 technology, and produce high- quality industrial cables.
• Establish strong auditing and certification capabilities and continuously improve the quality management system through the PDCA concept.

In the Wire & Cable Business Group, we have continued to obtained third-party certifications under ISO 9001 and classification societies from the United States (ABS) / France (BV)/ Norway and Germany (DNV-GL)/ the United Kingdom (LR)/Japan (NK)/ Taiwan (CR) and other countries, British Approvals Service for Cables (BASEC), Loss Prevention Certification Board (LPCB), North American safety standards (UL), and VPC (Voluntary Product Certification) in accordance with the relevant industry information and trade certification regulations of each country as a basis for entering the industry supply chain and expanding our sales applications and channels.

The Stainless Steel Business Group aims to become the most reliable cold precision rod supplier in Asia's intelligent manufacturing field. Adopting the strategies of high value, service, flexibility and intelligence, the Group pursues "zero-defect" quality based on the ISO 9001 quality management system and the integration of IATF 16949 processes and risk management. We improved yield rate, reduced costs, maintained industry leadership through lean management, adopted unified quality management standards to meet customer and market needs, at the same time we obtained multiple international certifications to ensure the accuracy of measurement and inspection capabilities, expand service markets, and comply with applicable regulations, including pressure vessel PED/ AD 2000, classification society verification and other industrial categories; Japan JIS MARK product verification, India BIS product verification, EU CE product verification and other national level certifications. Taiwan Plant has passed the Saudi SASO and global automotive industry quality management system IATF 16949 certification, and obtained the UK Conformity Assessed (UKCA) and UK Pressure Equipment Safety Regulations (PESR) certification in 2023.

Walsin Lihwa recognizes the importance of fulfilling corporate citizenship responsibilities and strictly controls the quality of products and services to ensure that no harmful substances are added. Ensure compliance with relevant regulations through raw material inspection and international chemical management monitoring. We adopt low-energy consumption and low-pollution processes, do not use conflict minerals, conduct regular third-party testing, and update and disclose hazardous material information to meet the highest safety standards. The products comply with RoHS, REACH and other regulations, demonstrating Walsin's commitment to non-toxicity in the manufacturing process.

The wire and cable products produced in 2023 are 100% free of hazardous substances in the usage specifications for the countries where they are sold, are declared to be compliant with REACH (SVHC) requirements, and can fully demonstrate that no hazardous substances are added to the company's products during the manufacturing process.