In 2000, Yuchai Heavy Industry set up a quality management system under the ISO9001 (1994 Edition). In 2004, Sichuan Bonny Base passed the ISO9001:2000 Standard Quality Management System of Chinese Certification and acquired the UK NQA Registration Certification and the European Union CE Certification. In 2010, Yuchai Heavy Industry passed the edition-change verification in accordance with the new standard and obtained the GB/T19001-2008 Edition Quality Management System Certificate.