Installation of fire doors and security doors in Dongdan, Beijing

Beijing Hongyuan Ying Door Industry Co., Ltd. specializes in the production of steel fire doors, steel Class A fire doors, steel Class B fire doors, steel Class C pipe well fire doors, Class A fire doors, steel Class A fire windows, Class B fire windows, steel Fire-proof rolling shutter door, inorganic fabric fire-proof rolling shutter door, folding and lifting fire-proof rolling shutter door, garage door and anti-theft door. The company's products are designated and approved by the Fire Bureau of the Ministry of Public Security. All aspects comply with the latest standards promulgated by the country. The procedures are complete and the products are registered for fire protection.
The company introduces advanced production equipment, pays attention to every aspect of the production process, and strictly complies with national quality standards. Unqualified products will never leave the factory. In the fierce market competition, it relies on quality to win and improves its performance in the market. Credibility among customers. The company's product sales network covers all cities across the country, and has been rated as the best in China by the fire protection department.
The company promises that the needs of users are our responsibility and excellent quality is the last word
The company declares that it strictly complies with national quality standards and unqualified products will never leave the factory
Company Purpose Users Reputation first, quality first
Company philosophy: Put the best products in the hands of customers
Fire doors are doors that can meet the requirements of fire resistance, stability, integrity and thermal insulation. In addition to the functions of ordinary doors, fire doors also have the function of preventing the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. In the event of a fire, fire safety doors are a protective door to protect people's lives and property. This is also the real reason why people compare fire doors to the doors of life.
The door frame is made of imported or domestic high-quality cold-rolled steel plate and galvanized steel plate. The steel plate is 3 meters thick and has 1 bolt mounting holes.
The door leaf is made of imported or domestic high-quality cold-rolled steel plate and galvanized steel plate. The thickness of the steel plate is 3 meters, and it is filled with fireproof perlite board.
The finish is treated with electrostatic spraying, and you can choose different colors according to the color card, or imitation wood grain finish.
The hardware is equipped with stainless steel fireproof locks or tube well locks, galvanized steel or stainless steel fireproof hinges, door closers, sequencers, and the melting temperature of all hardware accessories shall not be lower than.
Main performance parameters
Fire resistance limit: Class A minutes, Class B minutes, Class C minutes