Founded in 1994, Zhejiang Xingyi Ventilator Electrical Appliance (浙江兴益风机电器有限公司) makes industrial fans, external rotor fans, fire smoke exhaust fans, inverter welders and motors under the Xingyi and Yingfa brands. Its 80,000 m² plant in Wenling uses laser cutting and robotic welding, and it exports to Southeast Asia, the Middle East, Russia, South America and Africa. Its axial and centrifugal smoke exhaust fans hold fire product certifications 5982024ZY060049, 5982024ZY060051 and 5982024ZY060053 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.