Jiangsu Zhongte Fireproof Door Co., Ltd.​​

This steel extra-large folding door is a custom-made oversized steel door engineered with a high-strength reinforcement frame and imported large bolts. It ensures high flatness, superior anti-theft performance, and excellent air tightness. The door can be equipped with an access door (door-in-door) and louvers, facilitating personnel passage and meeting ventilation needs in specific environments. Thanks to the built-in recessed handles and anti-collision blocks, the door panels are effectively prevented from crashing into each other during operation.

Our self - closing fire doors offer a multitude of benefits that set them apart in the market. Superior Fire Protection: Engineered with advanced fire - resistant materials, these doors act as a robust barrier against the spread of fire. They can withstand high temperatures for an extended period, providing crucial time for evacuation and protecting property.

Provides 30 minutes of tested fire resistance Cost-effective fire safety solution for low-risk sites Lightweight steel-wood structure ensures easy setup Rock wool core improves insulation and smoke control

Fire resistance up to 60 minutes for reliable safety Balanced steel-wood construction for durability Fireproof rock wool filling ensures insulation Perfect for schools, apartments, and office use

Fire resistance up to 90 minutes for maximum safety High-strength steel and wood hybrid construction Core filled with fireproof rock wool for insulation Ideal for high-security public and commercial buildings

60-minute protection suited for busy public areas.ninn Flame-treated timber and perlite core reduce heat spread. Robust hardware endures frequent opening cycles. Tight sealing minimizes smoke ingress during incidents.

30-minute protection for low to moderate risk zones. Lightweight flame-retardant wood eases installation. Fire core reduces temperature transfer to adjacent spaces. Cost-effective option for residential and storage areas.

90-minute fire resistance delays fire progression. Fire-retardant wood with perlite core for thermal insulation. Heavy-duty locks and hinges ensure secure closure. Engineered to limit smoke and heat transfer in critical areas.

90-min fire rating ensures maximum protection. Reinforced steel plates provide superior strength. Powder coating surface resists corrosion and wear. Mineral-filled core offers excellent insulation.

30-min fire rating offers essential protection. Thinner steel makes it lightweight and easy-fit. Durable hinges and locks enhance daily use. Cost-effective choice for wide safety coverage.

60-min fire resistance ensures reliable safety. Steel sheet thickness enhances overall durability. Electrostatic coating resists rust and scratches. Fireproof rock wool core improves insulation.

Wide double swing for beds and stretchers. Antibacterial steel surface, easy to sanitize. Flush design with gaskets for clean, quiet closure. Durable, corrosion-resistant, low maintenance.