The GMT brand was founded in 1986. Over the past 36 years, adhering to the tenet of "the industry standard must be used to produce products", it has entered more than 145 cities and regions at home and abroad. It has accumulated more than 400 benchmark boutique projects, including the Beijing Olympic Pavilion, the Water Cube, the CPPCC Building, the Ministry of National Security, the Capital Airport, Shanghai Disney, hundreds of high-speed rail and subway stations in China, and has been awarded "CBA Partner", "Shanghai Famous Brand Products" Honorary titles such as "Scientific and Technological Innovation Enterprise in China's Hardware Industry", "Top 10 Gated Enterprises in China's Hardware Industry", and its comprehensive strength continues to rank at the forefront of the global industry

Approved by China National Accreditation Service for Conformity Assessment, it meets the requirements of ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories), and has obtained ilac MRA and CNAS double certification (certificate registration number: L13844)