From May 13 to 14, two experts from TÜV Rheinland visited SUNWIN to conduct the 2019 Examination of Audit Trail in the company with regards to the ISO9001:2015 Quality Management System. The meeting was chaired by Mr. Xu Chen, while Mr. Jin Gang, as well as the other Department Heads and the relevant personnel participated in the first and the final meeting. In the final meeting, Mr. Jin Gang reaffirmed the importance of system construction and product quality and requested a follow-up.