Hello: We are producing fire channel lock RRD brand manufacturers, the product is certified by the Fire Services Administration of the product, compliance with fire requirements, major hotels in Shenzhen, widely used in supermarkets and enterprises, customers receive the praise and trust, while Dealers have also been recognized brand has been vigorously promoting the domestic sales agents in major cities are also sold abroad, the success of my participation in the case of contractors such as: the Daya Bay Nuclear Power Station, the Dachang Qu Foxconn, Huawei Base Glass door installation, all music national chain supermarket, a new good, Rainbow, the Central, the Center City shopping mall, excellent buildings, Greater China, Sheraton chain of hotels. RRD using our trusted brand, high quality products, attentive service. 
 Features: 1, in an emergency situation, always putting the internal staff can escape, fire played a role; in non-emergency situation, do not push the alarm lock lever to open the door, alarm lock lever will push the alarm, the alarm sound to 100 dB 2, to prevent unauthorized outsiders not enter inside, play a security role. 3, with the access card out without touching the alarm, user management. 4, clearly visible promoter configuration, a solid anti-saw bolt to provide solid protection, can withstand over 2200 lbs of external tension; 5, provide round-the-clock protection, static use of the battery capacity of a year, and no additional maintenance and operating costs. 


 Two-door control 
 Two-door two-door control device works: The dynamics, scientific use of the physical dynamics, leverage works. 

 Clever use of a door, through the role of two-door device to control another door to open. 

 In an emergency, you can instantly open the same time, security, export dual role of opening the emergency exits, while more in line with the requirements of the State Fire Services Ordinance. 

 Scope: two-door access control device for all hardware, installation of double doors without mullions on. 

 ● two-door access control device for all hardware, installation of double doors without mullions on 

 ● steel double door latch device durable, solid 

 ● replacing a flat two-door latch, double door installed in the lock-chip non-active 

 ● two-door can be mounted on any type of security door