Yuanda Company has Grade A design qualification for special projects, Grade A qualification for environmental pollution control and Grade B qualification for general contracting of municipal public works. Has passed the certification of ISO900 1 quality management system, ISO 1400 1 environmental management system and GB/T 2800 1 occupational health and safety management system; Is a high-tech environmental protection enterprise integrating technology research and development, engineering design, complete sets of equipment, Jian 'an management and training services.