Zhejiang Industry and Trade Fordyce teach you how to buy security doors to prevent fooled, you'd better go to regular large home decoration market or store to buy more reliable. Because the regular manufacturers have a sound service system security door factory, so you want to know whether the product is formal, it is to understand its after-sales service system is perfect. Fordyce Ltd. to introduce you to classify the fire door: by technical sub-electronic fire doors, fire door closers built multifunction fire doors; press turned into fire doors normally closed and normally open fire doors. Normally closed fire doors generally consists of fire doors, door frames, door closers, seals and other security door price component, double fan or fan normally closed fire door is also equipped with the sequencer. Normally closed fire doors usually do not require professional electrical automation design provides security door where to buy, but also some special cases, such as: normally closed fire doors on evacuation routes, should electrical While some large construction side has security and other management requirements Professional security door with the design and comprehensive as possible to reduce security risks. For normally open fire doors, which is in addition to a normally closed fire doors all the accessories, we also need to increase fire door release switch, and must be provided by the electrical engineering design automation. Usually applies to the logistics flow more evacuation routes. Fordyce Ltd. look forward to your call! Where to buy security doors _ _ Fordyce Industry and Trade Hubei affordable security door provided by Zhejiang Industry and Trade Co. Fordyce. Where to buy security doors _ _ Fordyce Industry and Trade Hubei affordable security door Zhejiang Fordyce Ltd. (www.cngusite.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or image on the telephone, to obtain the latest information, contact: Mr. Shen.