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Explore our core range of fire rated steel door solutions engineered specifically for sterile and high-protection facility requirements.
The global demand for fire rated steel door frames in medical cleanrooms and sterile laboratories is accelerating, driven by tightening regulatory frameworks, expanding biopharmaceutical infrastructure, and heightened biosafety standards worldwide.
The global cleanroom technology market is projected to exceed USD 10 billion by 2030, with fire safety infrastructure — including certified steel door frames — representing one of the fastest-growing sub-segments. Medical facilities, pharmaceutical manufacturers, and research institutions are investing heavily in compliant, high-performance fire door systems that meet both fire containment and contamination control requirements simultaneously.
GMP-compliant production facilities require fire rated steel door frames that maintain cleanroom classifications (ISO 5–8) while providing certified fire resistance. Smooth, non-porous surfaces prevent microbial accumulation and withstand repeated chemical disinfection cycles.
BSL-2 and BSL-3 laboratories demand door frames that integrate seamlessly with pressurization systems, HEPA filtration boundaries, and containment protocols — all while meeting UL 10C or EN 1634 fire rating standards.
Surgical suites and sterile processing departments require fire rated frames with airtight sealing, minimal particulate shedding, and compatibility with automated door systems — critical for both patient safety and regulatory compliance.
Temperature-sensitive biologics facilities need fire door frames that maintain thermal stability, support cold-chain integrity, and comply with FDA 21 CFR Part 211 and EU GMP Annex 1 requirements for sterile manufacturing environments.
Laboratories handling flammable or corrosive substances require fire rated steel frames with enhanced chemical resistance coatings, positive pressure differential support, and integration with emergency exhaust systems.
ISO Class 1–5 semiconductor fabs demand ultra-low particle emission door frames with ESD-safe coatings, precision tolerances below 0.5mm, and fire ratings that don't compromise the integrity of the controlled environment.
Technological innovation and regulatory evolution are reshaping the design and application of fire rated steel door frames across medical and laboratory sectors.
Next-generation fire rated door frames are increasingly equipped with embedded sensors that monitor door seal integrity, temperature differential, and fire detection status in real time. Integration with BMS (Building Management Systems) enables predictive maintenance and automated compliance reporting — critical for FDA and EMA audit readiness in pharmaceutical cleanrooms.
Modern steel door frames for sterile labs feature flush-mounted, crevice-free designs with antimicrobial powder coatings and integrated intumescent seals that expand under heat without releasing particulates. These innovations satisfy both fire safety and ISO 14644 cleanroom classification standards simultaneously.
As pharmaceutical and biotech companies expand globally, demand for door frames certified under multiple international standards — including UL 10C (USA), EN 1634 (Europe), GB 12955 (China), and BS 476 (UK) — is surging. Manufacturers capable of delivering multi-standard certified products hold a significant competitive advantage.
Environmental sustainability is becoming a procurement criterion. Fire rated steel door frames manufactured using recycled steel content, VOC-free coatings, and energy-efficient production processes align with LEED and BREEAM certification requirements for green healthcare and laboratory buildings — a growing trend in hospital and research campus construction.
Understanding the specific performance requirements across different sterile environments enables precise specification of fire rated steel door frame systems.
Fire rated steel door frames in medical cleanrooms must simultaneously satisfy fire containment (minimum 60-minute rating), pressure differential maintenance (±15 Pa), particle emission control (<0.5 particles/m³ at 0.5μm), chemical resistance to IPA, bleach, and hydrogen peroxide, and electromagnetic compatibility for MRI-adjacent installations. This multi-parameter performance requirement drives significant technical complexity and premium market positioning.
In sterile drug manufacturing, fill-finish suites require fire rated door frames with continuous welded construction, no visible fasteners, and integrated door bottom seals that maintain ISO 5 classification while providing FD60 or FD90 fire resistance. Frame-to-wall interfaces must be sealed with fire-rated, cleanroom-compatible sealants.
Biosafety Level 3 labs require double-door airlock systems with fire rated steel frames that maintain negative pressure differentials, support HEPA-filtered exhaust systems, and provide both fire containment and biological containment. Frame seals must be autoclavable or compatible with vaporized hydrogen peroxide (VHP) decontamination.
Hazardous drug compounding areas (USP 800 compliant) require fire rated frames with negative pressure maintenance, chemical-resistant epoxy coatings, and smooth interior surfaces that prevent drug residue accumulation. Frames must withstand repeated wipe-down with cytotoxic cleaning agents.
Advanced therapy medicinal product (ATMP) facilities require fire rated door frames that support multi-zone pressure cascade systems, integrate with automated access control, and maintain cleanroom integrity during fire alarm-triggered door hold-open events — a complex engineering challenge requiring specialized door closer and hold-open release systems.
CSSD facilities require fire rated steel frames that withstand high-humidity sterilization environments (134°C steam), resist corrosion from chlorine-based disinfectants, and maintain dimensional stability under thermal cycling — while providing FD60 fire resistance for corridor compartmentalization.
ISO 13485-certified medical device facilities require fire rated door frames that support ESD-dissipative flooring continuity, provide RF shielding for EMC-sensitive manufacturing processes, and meet both fire safety and particulate control requirements for Class 7 and Class 8 cleanroom operations.
Established in 1998, Dujiangyan Jindun Protective Equipment Co., Ltd. is located in the picturesque city of Dujiangyan, a world-renowned UNESCO World Heritage Site. Since its inception, the company has been dedicated to the development of doors and windows, specializing in their design and production. It is a professional enterprise integrating product research and development, manufacturing, sales, and service.
The company incorporates modern management principles and comprehensive construction capabilities, adhering to environmentally friendly production while focusing on technological innovation. It has obtained ISO9001 Quality Management System Certification, ISO45001 Occupational Health and Safety Management Certification, ISO14001 Environmental Management Certification, and the Two-in-One Integration Management System Certification. Furthermore, it has been recognized as a "High-Tech Enterprise in Sichuan Province" and as a "C-Level Compliant Enterprise for Heavy Pollution Weather Management."
Currently, the company employs over 120 staff members, occupies an area of 35,000 square meters, and operates 12 production lines with an annual output of 300,000 doors and windows.
"Quality Assurance, Reputation First" has always been the company's guiding principle. Its unwavering pursuit is to "produce first-class products, create a first-class enterprise, and establish a first-class image." Under the "DUJIANG JINDUN" brand, the company strives to build a new platform with innovative ideas and pragmatic measures.
The company boasts a professional team for installation, after-sales service, and maintenance, composed of experienced technical support experts, customer service representatives, and project managers. Each team member undergoes rigorous training and is equipped to handle diverse issues and provide timely solutions. The company is committed to delivering the most professional, efficient, and customer-centric services, fostering cooperation with all sectors of society to create a better future.
Since its establishment, Dujiangyan Jindun Protective Equipment Co., Ltd. has adhered to the philosophy of "Quality First, Innovation-Driven." With high standards and efficient production processes, the company consistently delivers safe and reliable fire rated equipment.
The company's production workshop is the operational core, spanning thousands of square meters and divided into multiple functional areas, including raw material storage, assembly zones, quality control sections, and finished goods storage. The workshop layout adheres to international standards to ensure efficient workflows and maximize productivity.
A journey of over two decades — from a regional fire door manufacturer to a globally recognized fire safety solutions provider.
Founded in 1998 in Dujiangyan, the company initially focused on producing fire rated doors. Thanks to the founders' expertise and market insight, it quickly gained recognition. During this phase, strict quality control and meticulous production processes laid the foundation for a reputable brand.
In response to growing market demand, the company underwent a significant upgrade in 2006, introducing modern production lines to improve efficiency and precision. By 2010, the company had begun exploring intelligent technologies, collaborating with domestic research centers to develop innovative fire door solutions.
This phase marked the company's focus on enhancing brand visibility. Participation in industry exhibitions and showcasing technological advancements boosted its reputation. In 2014, the company earned ISO9001 certification, further solidifying its commitment to quality management. The "DUJIANG JINDUN" brand gained nationwide recognition, with products sold across the country.
In recent years, the company has emphasized technological innovation, establishing its own R&D team to focus on fire-protection systems and eco-friendly materials. This has resulted in a diverse, competitive product line. Concurrently, the company has expanded internationally, participating in global standardization efforts and contributing to the advancement of fire safety worldwide.
Dujiang Jindun upholds the core values of "Safety First, Quality as the Foundation." It emphasizes people-oriented management, encouraging employees to pursue excellence. Additionally, the company actively participates in public welfare activities, promoting fire safety awareness and contributing to societal well-being.
Looking ahead, Dujiangyan Jindun Protective Equipment Co., Ltd. remains committed to "Innovation, Quality, and Service" as its development principles. It will continue advancing product development and market expansion, striving to become a global leader in fire rated equipment. The company promises to consistently deliver superior service and support, working hand-in-hand with stakeholders to achieve a safer, brighter future for all.
Our professional team focuses on developing high-performance specialized doors and windows with environmental sustainability, energy efficiency, and superior functionality.
Comprehensive fire safety and security system integration tailored to the unique demands of medical cleanrooms, sterile laboratories, and critical facilities.
Jindun provides customized security system integration services, including the design and implementation of various security protection solutions based on customer needs.
Tailored fire safety solutions are developed to ensure maximum protection of people and property during a fire.
We offer professional risk assessment services, helping clients identify potential security hazards and providing corresponding protection measures.
Professional on-site support ensuring optimal performance of all fire rated door frame systems throughout their service life.
Jindun provides professional installation services to ensure all security protection equipment functions optimally.
We offer regular maintenance and servicing to keep protection equipment in top condition and extend its service life.
We provide timely repair support to ensure customers experience minimal downtime in case of equipment failure.
Empowering your team with the knowledge and skills to maximize the performance and compliance of fire rated door frame systems.
We offer safety training courses to improve staff safety awareness and emergency response skills.
We provide ongoing technical support and consultation to ensure clients fully understand and utilize the product features.
Our commitment to customers extends well beyond the point of sale — ensuring lasting performance, compliance, and peace of mind.
We maintain an effective customer feedback system, gathering feedback and continuously improving products and services based on customer needs.
We provide a reasonable warranty and replacement policy to ensure customers can use products without concerns.
Dujiang Jindun Protective Equipment Co., Ltd. is dedicated to providing comprehensive protection solutions for clients, from product manufacturing to system integration, installation, maintenance, and after-sales service. We strive to provide reliable support and security in the field of protection. These services are not limited to industries like industrial, medical, and commercial but also offer a one-stop security experience for our customers.
INQUIRY NOWDiscover our complete product range — engineered for fire safety, contamination control, and long-term reliability across medical, pharmaceutical, and laboratory applications.
