Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, which is renowned as the "Pearl of North China." It lies along the key transportation route of the Beijing-Tianjin-Hebei region and is an integrated entity that produces, sells, installs various fire curtains, fire doors, security doors, and industrial doors. The company has training institutions for cultivation, production, installation, and sales year-round, making it a service-oriented company with strong cohesion and combat power. Equipped with advanced facilities, the company has multiple production lines for fire doors, security doors, and curtain doors. 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-divided areas, evacuation 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, effectively stopping the spread of fire for a certain duration to ensure the evacuation of personnel.

Use of fire doors: Commonly used in various buildings as operable fire separation elements. Required fire doors should possess excellent high-temperature resistance, heat insulation, and smoke penetration prevention capabilities. They should also be equipped with an automatic closing function after personnel passage during a fire, ensuring their effective fire separation role.

Fire-resistant door categories include: Divided by manufacturing material: Steel-insulated fire-resistant doors; Wood-insulated fire-resistant doors; Steel-wood insulated fire-resistant doors; Other material insulated fire-resistant doors. Divided by fire resistance limit and insulating performance:

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

Grade B fire-resistant doors for not less than 1 hour.

Grade C fire door is not less than 0.5 hours.

Categorized by opening/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!