Chun Wei Technology (Shenzhen) Co., Ltd. is a professional research on the development of fire protection products and integration of the enterprise. The company sells the RRD series of fire safety alarm push latch (lock) is in accordance with the "Ministry of Public Security, the State Administration of Work Safety crowded places on the conduct of fire safety evacuation channel security exit the implementation of the special views of governance "(the public [2003] 4) spirit of the document developed, both to facilitate open, evacuation guidelines, fire, theft, and to work with automatic fire, security advanced system features such as door lock linkage system. The locking system can be widely used in movie theaters, cultural, sports, playgrounds, shopping malls, supermarkets, schools, hospitals, hotels, apartments, offices, enterprises and other staff gathered in civil and industrial construction, and has the following significant use features: 
 1, can be installed in various places, various forms of emergency exits, evacuation outside the open door, the door to meet the need to use a variety of evacuation; 
 2, in a variety of emergency situations, to take advantage of people's instinctive action will open the door normally closed to evacuate quickly escape; 
 3, to maximize avoid the darkness, smoke or mess, because can not open the door which led to evacuation of personnel can not escape the danger; 
 4, in emergency situations, through the voice light and sound alarms and escape to play the role of guidelines; 
 5, to achieve Class A fire door fire resistance requirements; 
 6, under normal circumstances, can play a restricted access, burglar alarm or security role, to a certain extent, solve the fire and security doors on the evacuation of the conflict between different requirements; 
 7, with automatic fire, security or access control system combined with the circumstances, to design a variety of self-control door lock system, used to meet the needs of different users. 
 This series of door lock system in accordance with functions divided into four main types: ? No joint action to push the alarm of fire safety latch (lock); ? Linkage to push the alarm of fire safety latch (lock); ? Linkage fire safety alarm delay push the bolt (lock); ? Access to push the alarm of fire safety latch-type (lock). In accordance with the main structure is divided into two types: ? the level of fire safety alarm push bolt type latch (lock) for a single door; ? the level of the lock, the world push the alarm of fire safety bolt latch (lock) for double-door . 
 First, several major security 1, through the national fixed fire extinguishing systems and fire-resistant components of Quality Supervision and Inspection Center of the type test. 2, in line with national standards and the provincial Department of Construction, issued by the provinces where mandatory standards for construction. 3, the perfect after-sales service guarantee. 
 Second, several major features: 1, fire, security balance, so that fire, security is not in conflict. 2, the deterrent alarm and alarm guide. 3, cold warning signs. Chun Wei of Technology Shenzhen Co., Ltd Tel: 15889746318 Manager Zhang QQ: 2 9 5 1 1 8 0 4 2 
 III. Product operation: 
 1) The door lock bar 
 In urgent cases, the pressure pushing arm and push plate, door lock to open the RRD. While the door is opened, built-in alarm immediately start, start the alarm, the use of special keys to reset the alarm. 
 2) the key to open the door 
 Alarm integrated circuit, and directed to issue high-decibel alarm, push bar doors open, the alarm is ringing, until the man canceled. 
 Product name, technology, quality standards 
 Model: RRD-V60B fire channel lock (fire escape lock channel) 
 Specifications: Suitable for fire doors, wooden doors, glass doors and standard non-standard door. 60 * 15 * 6 (cm) (can be custom specifications.) 
 Quality: excellent 
 Manufacturer: Hong Kong RRD. 
 The company has adopted "national fixed fire extinguishing systems and fire-resistant components of Quality Supervision and Inspection Center" test, to obtain "type inspection" report, the product has been widely used in the country, accounting for more than 80% similar markets. 
 Scope: hotels, factories, shopping malls, supermarkets, libraries, laboratories, securities, office buildings, apartments, dormitories, hospitals, detention centers, municipal buildings, government agencies, public transportation systems and other places. 
 Product Description: ● beautifully designed, aluminum shell, easy to install and durable. 
 ● alarm integrated circuit, and directed to issue high-decibel alarm. 
 ● The installation process is simple, fast, reliable, and reduce the potential occurrence of major errors, improve security 
 ● putter with a luminous, emergency evacuation routes door without lock do not have to open, both security can be freely. 
 ● promote the bar doors open, the alarm is ringing, until the man canceled. 
 ● 1 英寸 impact, anti-saw door sales. 
 ● external attack against the best in its class, resistant to more than 2200 pounds of external pull. 
 ● two-page door install RRD-1250 two-door control. 
 ● The power supply 9V battery. 
 ● one-year warranty and lifetime maintenance. 
 ● The 
 ● 304 stainless steel, aluminum alloy, paint materials, with a putter, with luminous. 
 ● suitable for crowd control, evacuation for the safety of people to flee scene of the fire exit. 
 ? ● Weight: 2.5KG 
 ? ● Dimensions: 600 x 150 x 5cm 
 ● RRD fire channel locks to international fire regulations on the "emergency exit" requirement, and recommended by the state fire department as the "emergency exit lock." RRD Series products comply with fire regulations in China on the "emergency exit" requirement, tied for first level called the emergency fire exit channel devices, in similar products in the absolute leadership. Only implemented by the Hong Kong Fire Inspection Bureau Fire Services channel locks installed, RRD brand in Hong Kong more than 80% market share. 

 ● install and use 
 ● RRD control of emergency exit door (fire escape lock channel) installed in both directions, you can install the left side, but also the right installation. The installation and product support to provide a template to facilitate accurate positioning of equipment, easy installation. 
 ● In case of emergency, the pressure pushing arm and push plate, door lock to open the RRD. While the door is opened, built-in alarm immediately start, start the alarm, the use of special keys to reset the alarm. 

 ● two-door control 
 ● two-door with a double door uses the more convenient, two-door installation is fixed above the door, (leverage) into the double doors closed behind the bolt while pressure out of the top plug. (On the door frame with a hole saw drill) while the top pin inserted into the center hole drilled to go door to door to the role of a fixed 2. Double doors open the rear door latch bolt down the top while the pop-up, two-door also is open. 
 ● success stories 
 ● Daya Bay Nuclear Power Station, Shenzhen Foxconn, Foxconn Langfang, Shandong, China Wireless, Huawei Base installation of glass doors, everybody likes to national chain supermarket, a new good, Rainbow, the Central, the Center City shopping mall, excellent buildings, large China, the Sheraton National hotel chains, the Shenzhen Airport, Shenzhen Bay Port, Golden Harvest International theater. 

 Formal channel locks have been type approved by the State Fire Department inspection reports