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 route of the Beijing-Tianjin-Hebei region and is a comprehensive entity that integrates the production, sales, and installation of various fireproof 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 combat power. Equipped with advanced 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 heat insulation for a certain period of time. They are installed as fire partitions in fire separation areas, evacuation stairwells, vertical shafts, and other locations 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. Required fire doors should possess excellent heat resistance, insulation, and smoke-proof performance. Additionally, they should have the ability to close automatically after personnel have passed through during a fire, ensuring their fire separation function is fully utilized.

Fire-resistant door categories include: Divided by manufacturing material: Steel-insulated fire-resistant doors; Wooden-insulated fire-resistant doors; Steel-wood-insulated fire-resistant doors; Fire-resistant doors of other materials. Divided by fire resistance and insulation 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.

Categorizes by operation characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

Select fire-rated doors at different levels to meet your specific requirements.

Welcome to inquire, new and old customers!