Yusin's quality team has a total of 48 personnel, 21% of whom have worked in Yusin for more than 10 years, 36% with 5-10 years of work experience, and 53% with less than 5 years of work experience; Yusin has passed IATF16949, ISO9001 quality system certification, Strictly follow the quality system requirements for quality prevention, quality inspection and quality improvement.