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 composition, double fan or fan normally closed fire door is also equipped with the sequencer. Normally closed fire doors do not usually need to provide professional electrical automation design, but also some special situations such as: evacuation normally closed fire doors on the channel, when some large construction side has requested the management of security and so on by electrical design professionals with security doors as completely as possible to reduce security risks. For normally open fire doors, it is in addition to all accessories have normally closed fire door outside where to buy security doors, fire door release switch must increase security door manufacturer, 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! Zhejiang Industry and Trade Fordyce teach you ways of looking to buy stainless steel security door locks. A qualified security door stainless steel is generally used three azimuth orientation lock or five locks, lock not only locks up and down the bar can be inserted locked door to be fixed. Now a lot of good quality anti-theft doors will be embedded with a rubber seal on the door, close the door when it will not issue harsh sound of metal crash. How much security doors, Fordyce and Trade affordable, Sichuan Door provided by Zhejiang Industry and Trade Co. Fordyce. How much security doors, Fordyce and Trade affordable, Sichuan, Zhejiang Fordyce security door Ltd. (www.cngusite.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Mr. Shen.