Zhejiang Yuanda Electromechanical (浙江远大机电有限公司) has designed and manufactured fans, air-cooling equipment and motors since 1985 from a 16,000 m² plant in Shangpu, Shaoxing. Its range covers axial high-temperature smoke exhaust fans, dual-purpose fire/ventilation cabinet centrifugal fans, pressurisation fans, tunnel jet fans and fire dampers, and it was among the first companies in China to receive CCC certification for smoke exhaust fans. Its axial smoke exhaust fans hold fire product certifications 5982025ZY060008 and 5982025ZY060003 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.