China Steel Emergency Exit Doors Brief Introduction JIAHUI DOORS was established in early 90s of 20 century,We have 3 production facilities(SHANGHAI,ZHEJIANG,JIANGSU),the coverage area is around 100,000銕?the construction area reaches 120,000銕?Our company has passed ISO9001:2008 international quality management system certification,German TUV Rheinland factory certificate,Standard BS476-22, UL ,EN1634:1 Fire rated certificates. Our group specialize in manufacturing fireproof doors,steel security doors,hospital door,fireproof window,fire-resistant shutters,soundproof doors,anti-blast doors,venting doors,cast aluminium doors,industrial doors and so on.Our Group adopts a mature technological process and the advanced production line.In addition,we are the first to purchase a series of automatic CNC machines,such as CNC turret-type punch press,CNC bending machine,CNC laser cutting machine,automatic sprayer assembly line and so on,achieving the upgrading and updating of productions. In China,our company not only maintain good strategic cooperation with many famous large-scale enterprise in China,but also we participate many National Construction Projects.Especially after updating,our fire doors have been appreciated by a lot of High-Standard construction projects. After years of practice and exploration,the leading technology,excellent quality provide our marketing development a strong guarantee,and our products are exported to all over the world,our certified steel fire doors have been recognized and put on records by several countries.China Steel Emergency Exit Doors website:http://www.jiahuicorp.com/