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 major transportation artery of the Beijing-Tianjin-Hebei region. It is an integrated entity that produces, sells, and installs various fire curtains, fire doors, security doors, and industrial doors. The company maintains 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 boasts multiple production lines for fire doors, security doors, and roller shutter doors. 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 fire partitions installed in fire compartments, emergency stairwells, vertical shafts, and other locations with certain fire resistance. In addition to the functions of ordinary doors, fire doors also play a crucial role in preventing the spread of fire and smoke. They can stop the spread of fire for a certain period, ensuring the safe 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 properties. Additionally, they should automatically close after personnel pass 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 rating and insulation performance:

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

Grade B fire door not less than 1 hour.

Grade C fire doors are not less than 0.5 hours.

Categorically divided by their opening/closing characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

Select fire-rated doors at different levels to suit your needs.

Welcome to inquire, both new and old customers!