Focusing on customer needs, being extremely serious, resolutely achieving the highest industry standards, and continuously improving product and service quality. Establish a complete and effective quality management system, and have obtained ISO9001:2015 quality management system certification. We always carry out quality work around "quality first, zero defects, and customer first", using process methods and risk-based thinking to manage the quality of the entire product lifecycle. Implement a comprehensive quality plan for "R&D - supply chain - manufacturing - market", continuously improve quality management through internal and external audits, and continuously enhance product and service quality. We always adhere to innovative development, strive for excellence, and practice the company's vision of "hydrogen and electricity carrying together, creating a green future".