Weifang Keyuan Fire Equipment (潍坊科源消防器材有限公司) was founded in 2008. It makes aluminium, steel and uPVC fire doors and windows, glazed fire doors, fire shutters, blast-resistant doors and smoke curtains, and also installs them. The Linqu plant has more than 200 staff and produces 410,000 m² a year, supplying developers such as Jinmao, China Overseas, Country Garden, Poly and Greenland. Its non-insulated fire windows and doors hold fire product certifications 5982020ZY050041, 5982020ZY050044 and 5982020ZY050045 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.