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 on the key transportation route of the Beijing-Tianjin-Hebei region and is a comprehensive entity company that integrates the production, sales, and installation of various fire curtains, fire doors, security doors, and industrial doors. The company has a training institution 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 boasts 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 thermal insulation for a specified period of time. They are installed as fire separation elements in fire compartments, stairwells for evacuation, 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. They can stop the spread of fire for a certain period, ensuring the evacuation of personnel.

Fire Door Usage: Commonly used as closable fire-separating components in various buildings. Fire doors that meet the requirements should possess good high-temperature resistance, heat insulation, and smoke-proof properties, and should automatically close after personnel have passed through during a fire, ensuring their fire-separating function is effectively utilized.

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

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

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

Grade C fire doors are not less than 0.5 hours.

Categorized by opening/closing characteristics: Normally Closed Fire Doors; Normally Open Fire Doors.

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

Welcome to inquires from new and old customers!