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 serves as a key transportation route in the Beijing-Tianjin-Hebei region. It 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 a year-round training institution for cultivation, manufacturing, installation, and sales, making it a service-oriented company with strong cohesion and combativeness. Equipped with top-notch facilities, the company boasts 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., 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, 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. Fire doors that meet the requirements should possess excellent heat resistance, insulation, and smoke-proof performance. Additionally, they should be capable of automatically closing after personnel have passed through during a fire, ensuring their effective fire separation function.

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

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

Fire-resistant doors of grade B 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.

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

Welcome to inquires from new and returning customers!