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 the Beijing-Tianjin-Hebei region and is a comprehensive entity company that produces, sells, installs various fire-resistant roller shutters, fire doors, security doors, and industrial doors. The company maintains training institutions for cultivation, production, installation, and sales on a regular basis, 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 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 compartments, stairwells for evacuation, vertical shafts, and other areas with 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 the diffusion of smoke, effectively containing the fire for a period and ensuring the safe evacuation of personnel.

Fire Door Usage: Commonly used as a movable fire separation component in various buildings. Fire doors that meet the requirements should have excellent heat resistance, insulation, and smoke-proof performance. Additionally, they should automatically close 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; Wood insulated fire doors; Steel-wood insulated fire doors; Insulated fire doors of other materials. - By fire resistance and insulation performance:

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

Grade B fire-resistant door not less than 1 hour.

Grade C fire doors are not less than 0.5 hours.

By closure 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!