1998–2005: Foundation and Early Growth
Founded in 1998 in Dujiangyan, the company began with a focus on fire rated doors, establishing strict quality control to build a reputable brand.
In the fast-evolving sectors of warehousing and logistics, airtight doors have emerged as critical infrastructure components that enhance operational efficiency, environmental control, and security. Warehouses and logistics hubs face challenges such as contamination control, climate management, energy efficiency, and regulatory compliance. Airtight doors serve as vital solutions to tackle these issues by providing superior sealing against dust, moisture, temperature fluctuations, and unauthorized access.
With the rise of e-commerce and global trade, logistics facilities have become the backbone of supply chain networks. The demand for airtight doors aligns with the increasing emphasis on maintaining hygienic conditions, especially in cold storage warehouses, pharmaceutical logistics, and high-value goods storage. Industry trends point towards integration of airtight doors within smart facility management systems, enabling remote monitoring and automated controls to further optimize logistics operations.
Technological advancements are reshaping the airtight door industry with an emphasis on automation, materials innovation, and energy conservation. Contemporary airtight doors for warehouses utilize high-grade materials such as composite panels, thermal breaks, and reinforced sealing gaskets that dramatically reduce air leakage and thermal bridging.
Increasingly, manufacturers incorporate IoT sensors into airtight door systems to monitor door integrity, usage patterns, and environmental parameters, feeding data into centralized building management systems. This digital transformation not only enhances security and functionality but also helps reduce energy costs by minimizing the loss of conditioned air in warehouses, which can be substantial.
Moreover, sustainability factors push manufacturers to develop airtight doors that comply with stricter environmental certifications and contribute to green building initiatives. The incorporation of fire-rated, anti-corrosion, and soundproofing elements alongside airtight features creates multi-functional doors tailored to complex industrial needs.
Beyond standard warehouse entry points, airtight doors find critical application in specialized zones such as cold storage rooms, clean rooms, hazardous materials containment, and loading docks. Their airtightness preserves internal environments indispensable for temperature-sensitive goods like fresh produce, pharmaceuticals, and electronics.
Loading and unloading zones benefit from airtight doors that minimize contamination and maintain internal climate stability during frequent door cycles. Integration with rapid door-opening mechanisms mitigates shipping delays while upholding sealing quality.
In logistics hubs focused on high throughput, airtight doors simplify compliance with health and safety regulations by providing reliable fire resistance, smoke control, and ingress protection. These features secure both property and human resources vital to operational continuity.
Emerging automation trends have facilitated use of airtight doors in robotics-enabled warehouses, where integration with automated guided vehicles (AGVs) demands precise, responsive door operation to maintain workflow efficiency.
Established in 1998, Dujiangyan Jindun Protective Equipment Co., Ltd. is located in the picturesque city of Dujiangyan, a UNESCO World Heritage Site. Since its inception, the company has specialized in the design and production of doors and windows, integrating product research, manufacturing, sales, and service.
With modern management principles and an emphasis on environmental responsibility and innovation, the company holds ISO9001, ISO45001, ISO14001 certifications and is recognized as a High-Tech Enterprise in Sichuan Province.
Currently, Dujiangyan Jindun employs over 120 staff, operating 12 production lines on a 35,000 square meter site, producing 300,000 doors and windows annually.
"Quality Assurance, Reputation First" is the guiding principle. The company strives to produce first-class products, build a leading brand, and provide exceptional customer service.
A professional team handles installation, after-sales, and maintenance, ensuring timely and reliable support to clients across various industries worldwide.
Dujiangyan Jindun adheres to "Quality First, Innovation-Driven," delivering safe and reliable fire rated and airtight door equipment through high standards and efficient production.

The production workshop spans thousands of square meters, structured for optimal workflow and efficiency, including raw material storage, assembly, quality control, and finished goods zones.

State-of-the-art automated production lines incorporate laser cutting, CNC bending, automated spraying, and smart quality inspection to ensure precise and durable products.

From raw material selection to surface treatment and final quality checks, the company applies strict standards for safety, environmental compliance, and aesthetic appeal.
Founded in 1998 in Dujiangyan, the company began with a focus on fire rated doors, establishing strict quality control to build a reputable brand.
Modern production lines were introduced to increase efficiency. Research collaborations started in intelligent fire door solutions.
Focus on brand visibility increased, ISO9001 certification was earned, and nationwide distribution networks expanded.
The company emphasizes innovation with an R&D team focused on fire protection and eco-friendly materials. Global expansion and standard compliance efforts continued.
Dujiang Jindun upholds "Safety First, Quality as the Foundation," promoting excellence among employees and actively raising fire safety awareness through public welfare activities.
Committed to innovation, quality, and service, Dujiang Jindun plans to advance product development and expand globally, aiming to lead in fire rated and airtight door markets for a safer future.
Our professional team develops high-performance specialized doors and windows with a focus on environmental sustainability, energy efficiency, and superior functionality.
Customized security system integration services including design and implementation tailored to customer protection needs.
Tailored fire safety solutions ensure maximum protection of people and property during emergencies.
Professional risk assessment services to identify hazards and recommend appropriate protection measures.
Professional installation ensures optimal function of all security protection equipment.
Scheduled maintenance protects investment, keeping equipment in top condition and extending service life.
Rapid repair support minimizes downtime and operational disruption.
Courses designed to enhance staff safety awareness and emergency preparedness in facility operations.
Continuous support and consultation enable clients to fully maximize product capabilities and security benefits.
Dujiang Jindun Protective Equipment Co., Ltd. delivers end-to-end protection solutions, covering manufacturing, system integrations, installation, maintenance, and after-sales services. The company supports diverse sectors including industrial, medical, and commercial, ensuring a seamless security experience.
Robust feedback mechanisms drive continuous product and service enhancement tailored to customer needs.
Comprehensive warranty and replacement policies provide assurance and peace of mind to customers worldwide.