Guangzhou Metro Design and Research Institute Co., Ltd. is a comprehensive design institute engaged in the planning, survey, design, scientific research, testing, consultation and supervision of urban rail transit, municipal administration, civil air defense, architecture and environmental engineering. The Institute has obtained a number of professional qualification certificates issued by People's Republic of China (PRC), including: Grade A certificate of engineering design (construction industry, municipal public utilities), Grade A certificate of engineering investigation (geotechnical engineering), Grade A certificate of engineering supervision, Grade A certificate of construction drawing design document review and Grade A certificate of engineering consultation, and passed the ISO900 1:2000 quality management system certification.