On 28 November 2017, GTDEE under GTCC received the copyright patent of Quality Assurance for Vocational Education and Training by the German-Thai Dual Excellence Education which all rights reserved on GTCC Quality Assurance in Vocational Education and Training for Schools and Colleges in 111 countries around the world from the Department of Intellectual Property under supervision of Ministry of Commerce, Thailand. The exclusive rights comprised the external assessment of teachers and school management as well as school environment. The QA aims to standardise school quality in light of development, internal management system, and performances of teachers and of students. In addition to the copyright, “GTCC QA in VET” is a new service of GTCC.