Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, renowned as the "Pearl of North China," and lies along the key transportation route of the Beijing-Tianjin-Hebei region. It is a comprehensive entity company that integrates the production, sales, and installation of various fireproof roller shutters, fire doors, anti-theft doors, and industrial doors. The company maintains training institutions for cultivation, manufacturing, installation, and sales year-round, making it a service-oriented company with strong cohesion and combativeness. Equipped with advanced facilities, the company has multiple production lines for fire doors, anti-theft 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 divisions, emergency stairwells, vertical shafts, etc., and possess certain fire resistance. In addition to the common functions of doors, fire doors also have the function of preventing the spread of fire and smoke, which can stop the spread of fire for a certain period of time and ensure the evacuation of personnel.

Fire Door Usage: Commonly used as movable fire separation components in various buildings. Compliant fire doors should have excellent high-temperature resistance, heat insulation, and smoke-proof performance. They should also be equipped with an automatic closing function after personnel pass through during a fire, ensuring their fire separation function is effectively utilized.

Fire-resistant door categories include: Divided by manufacturing material: Steel-insulated fire doors; Wood-insulated fire doors; Steel-wood insulated fire doors; Other material insulated fire doors. Divided by fire resistance limit and insulating performance:

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.

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

Choose fire doors of different levels to suit your needs.

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