Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, renowned as the "Pearl of North China." It lies along the key transportation route of Beijing, Tianjin, and Hebei, and is a comprehensive entity that integrates the production, sales, and installation of various fire-resistant roller shutters, fire doors, security doors, and industrial doors. The company has training institutions for cultivation, production, installation, and sales year-round, making it a service-oriented company with strong cohesion and combativeness. Equipped with top-notch facilities, the company has multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a top priority.

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 compartments, emergency stairwells, vertical shafts, etc., and possess certain fire resistance. In addition to the functions of a regular door, fire doors also play a crucial role in preventing the spread of fire and smoke, allowing for the containment of fire for a specific duration to ensure safe evacuation of personnel.

Fire door usage: A common, operable fire separation component in various types of buildings. Fire doors that meet requirements should possess good heat resistance, insulation, and smoke-proof performance, and should have the capability to close automatically after personnel pass through during a fire, ensuring their fire separation function is effectively utilized.

Fire door categories are divided into: - By material: Steel insulated fire doors; Wooden insulated fire doors; Steel-wooden insulated fire doors; Insulated fire doors of other materials. - By fire resistance and insulation properties:

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

Grade B fire door, not less than 1 hour.

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

By opening/closing characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

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

Welcome to inquire, both new and old customers!