Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, which is known as the "Pearl of North China." It lies along the key transportation artery of Beijing, Tianjin, and Hebei, and is a comprehensive entity company that produces, sells, installs various fire-resistant roller shutters, fire doors, security doors, and industrial doors. The company has a year-round training institution for cultivation, production, 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-resistant partitions in fire-divided areas, emergency stairwells, vertical shafts, and other locations with certain fire resistance. In addition to the functions of a regular door, fire doors also have the ability to prevent the spread of fire and smoke. They can stop the spread of fire for a certain period of time, ensuring the evacuation of personnel.

Fire Door Usage: Commonly used as closable fire separation components in various types of buildings. Compliant fire doors should have excellent heat resistance, insulation, and resistance to smoke penetration, and should be equipped with an automatic closure function after personnel pass through during a fire, ensuring their fire separation function is fully utilized.

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 rating and insulating performance:

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

Grade B fire doors must be no less than 1 hour.

Grade C fire door is not less than 0.5 hour.

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

Choose fire doors of different levels to suit your needs.

Welcome to inquire, both new and old customers!