Jonyang has a complete quality management system for effective operation.
Jonyang has passed the certification of ISO9001：2008 quality management system conducted by Det Norske Veritas（DNV）in 1995. In 2008, Jonyang passed the certification of GJB9001A-2001 (national military standards) quality management system. Jonyang has cultivated a number of Internal Quality Auditors and conducts a second time internal audit each year to ensure the effective operation and continuous improvement of the company’s Quality Assurance System.
Quality Guidelines : customer centered, quality first, continuous improvement and pursue excellence.