Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei Province, renowned as the "Pearl of North China." It lies on the main transportation artery of the Beijing-Tianjin-Hebei region and is a comprehensive entity company that produces, sells, and installs various fire-rated roller shutters, fire doors, security doors, and industrial gates. The company maintains training institutions for cultivation, manufacturing, installation, and sales year-round, making it a service-oriented firm with strong cohesion and combat power. Equipped with advanced facilities, it boasts multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a top priority for the company.

Fire doors are doors that can meet the requirements of fire resistance, integrity, and insulation for a certain period of time. They are installed as fire separation elements in fire divisions, emergency stairwells, vertical shafts, etc., with certain fire resistance. In addition to the functions of ordinary doors, fire doors also have the role of preventing the spread of fire and smoke. They can stop the spread of fire for a certain period, ensuring the evacuation of personnel.

Fire door usage: Commonly used as movable fire-separating components in various buildings. Compliant fire doors should have excellent heat resistance, insulation, and resistance to smoke penetration. They should also be capable of automatically closing after personnel pass through during a fire, ensuring their effective fire-separating function.

Fire door categories include: Divided by material: Steel insulated fire doors; Wooden insulated fire doors; Steel-wood insulated fire doors; Insulated fire doors of other materials. Divided by fire resistance limit and insulation performance:

Grade A fire doors must not be less than 1.5 hours.

Grade B fire doors are not less than 1 hour.

Grade C fire doors must not be less than 0.5 hours.

By closure characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

Select fire doors of varying levels to suit your specific needs.

Welcome to inquire, both new and old customers!