Qingdao Norton Door Technology Co. Ltd is the one of the largest manufacturers that specialized in research and development, production and installation of large industrial doors high speed doors and garage doors. The products passed ISO9001, 2015 quality management system and get the European CE safety certification and a number of national honor.,br>brOur company introduces the latest technology and style of industrial doors and garage doors from Europe > with sophisticated production equipment and strong technical force. Our industrial product categories are sectional industrial doorsHigh speed doors ,High speed roller shutter doors industrial stacking doors, industrial roller shutter doors. Garage door product categories are overhead garage doors and roller shutter garage doors. We try our best to meet our customers needs’ produce good quality products and supply good service.These products have been exported to Europe America, Russia Australia, New Zealand Africa, the Middle East and other international markets.br