Jiangsu RZ Door Co., Ltd. & Yongkang Jiahua Electronic and Mechanical Co., Ltd. — 22+ years of manufacturing excellence, serving 56+ countries worldwide.
Jiangsu RZ Door Co., Ltd., a leading manufacturer and exporter of high-quality doors, and Yongkang Jiahua Electronic and Mechanical Co., Ltd., are both renowned for their 22+ years of experience in the door manufacturing industry. We specialize in delivering a diverse range of door products designed to meet the needs of residential, commercial, and industrial markets globally.
Our extensive product portfolio includes high-end luxury cast aluminum doors, German-style Class A security steel doors, solid wooden doors, melamine wooden doors, and WPC doors, all crafted with precision and care.
From luxury residential entrances to heavy-duty industrial security doors, our comprehensive product range is engineered to exceed international standards and client expectations.
Exquisitely crafted cast aluminum doors combining superior durability with architectural elegance. Ideal for luxury villas, high-end residential estates, and prestigious commercial entrances. Available in a wide range of custom designs, finishes, and surface treatments.
Engineered to the highest security standards, our Class A steel doors feature multi-point locking systems, anti-pry reinforcement, and thermal insulation. Compliant with German DIN standards and certified for residential and commercial security applications globally.
Premium solid wood doors crafted from sustainably sourced hardwoods. Each door is individually finished for warmth, character, and longevity. Perfect for interior residential spaces, boutique hotels, and upscale commercial interiors requiring natural beauty.
Cost-effective and highly durable melamine surface doors offering excellent scratch resistance, moisture resistance, and a wide variety of wood-grain finishes. Ideal for apartments, offices, schools, and healthcare facilities requiring consistent quality at scale.
Innovative WPC doors combining the aesthetic appeal of natural wood with the superior performance of composite materials. Waterproof, termite-resistant, and eco-friendly — perfect for humid environments, bathrooms, kitchens, and coastal properties worldwide.
Beyond our standard range, we offer fully bespoke door manufacturing services. From unique dimensions and specialty materials to branded hardware and exclusive surface treatments — we transform your design concepts into flawlessly executed door products.
Our 15,000 square meter state-of-the-art manufacturing facility is the foundation of our quality commitment. Every production line is engineered for precision, efficiency, and scalability.
Our expansive factory houses multiple dedicated production lines for aluminum casting, steel fabrication, wood processing, and composite manufacturing — all under one roof for seamless quality control.
We invest continuously in cutting-edge CNC machining centers, automated welding systems, precision stamping presses, and robotic surface treatment lines to ensure consistent, repeatable quality at scale.
Our dedicated QC laboratory conducts comprehensive testing including anti-burglary resistance, thermal performance, acoustic insulation, weather sealing, and finish durability — all verified against international standards.
Over 200 trained manufacturing specialists and quality engineers work across our facility. Regular skills training, process audits, and quality circles ensure our team continuously improves product outcomes.
Purpose-designed export packaging systems protect products during international transit. Our logistics team coordinates sea freight, air freight, and multimodal shipping to ensure on-time delivery worldwide.
We are committed to environmentally responsible production. Our facility employs energy-efficient equipment, waste reduction programs, and uses eco-certified materials wherever possible to minimize environmental impact.
With over two decades of industry leadership, we have built a reputation for delivering superior products backed by unmatched service and technical expertise.
Two decades of focused door manufacturing experience means we understand material behavior, production challenges, and market requirements better than anyone. Our deep expertise translates directly into better products and fewer surprises for our clients.
Successfully exporting to 56+ countries across Asia, the Middle East, Europe, Africa, North America, and South America. Our international experience means we understand customs requirements, documentation, and regional compliance standards for smooth delivery.
Our ISO9001 certification demonstrates our systematic approach to quality management. Every process from raw material procurement to final inspection is governed by documented procedures ensuring consistent, verifiable quality across every order.
We offer genuine end-to-end customization — from custom dimensions and material specifications to unique surface finishes, hardware selections, and branded packaging. Our design team works alongside your engineers to realize even the most complex requirements.
Direct factory pricing eliminates middlemen markups. Our efficient production processes and strategic raw material sourcing allow us to offer highly competitive pricing while maintaining the premium quality standards our clients expect and rely upon.
We don't just fulfill orders — we build lasting business relationships. Our dedicated account managers provide proactive communication, responsive after-sales support, and continuous product development collaboration to grow alongside our partners' businesses.
Our commitment to excellence is validated by internationally recognized certifications and rigorous third-party testing. Every product we manufacture meets or exceeds global quality benchmarks.
International Quality Management System certification ensuring consistent processes, traceability, and continuous improvement across all manufacturing operations.
Our steel security doors are certified to Class A anti-burglary standards, meeting the most stringent requirements for residential and commercial security applications.
All products undergo rigorous testing by internationally recognized independent inspection organizations, guaranteeing compliance with applicable international quality standards.
Our products are designed and tested to comply with regional standards including European EN standards, North American ANSI/BHMA standards, and applicable Middle Eastern and Asian market requirements.
We take pride in offering both OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services. We collaborate closely with clients to provide professional design advice and full product development support.
| Service Capability | OEM Service | ODM Service | Details |
|---|---|---|---|
| Custom Dimensions | ✔ | ✔ | Any width, height, and thickness per client specification |
| Branded Packaging | ✔ | ✔ | Custom logo, labeling, and export packaging design |
| Exclusive Design Development | — | ✔ | Full design engineering from concept to production-ready |
| Material Specification | ✔ | ✔ | Client-specified or recommended premium materials |
| Surface Finish Options | ✔ | ✔ | Powder coat, woodgrain transfer, anodizing, painting |
| Hardware Selection | ✔ | ✔ | Locks, handles, hinges from specified or approved suppliers |
| Prototype Development | ✔ | ✔ | Sample production for approval before mass production |
| Third-Party Inspection | ✔ | ✔ | Support for client-nominated inspection agencies |
Over the years, Jiahua has successfully exported products to 56+ countries. Our global network and vast experience allow us to understand the unique demands of different markets and provide tailor-made solutions that meet local preferences and standards.
Southeast Asia, South Asia, East Asia
UAE, Saudi Arabia, Qatar, Kuwait
Germany, UK, France, Eastern Europe
Nigeria, South Africa, Kenya, Egypt
USA, Canada, Mexico
Brazil, Argentina, Chile, Colombia
Our products have been successfully deployed across a diverse range of residential, commercial, and infrastructure projects worldwide. Here are some representative case studies.
Supplied 2,400 units of high-end cast aluminum entrance doors for a premium residential development in the UAE. Custom Arabic-inspired design patterns were developed through our ODM process, with powder-coat finishes in client-specified gold and bronze tones.
Delivered 1,800 sets of premium solid wood interior doors for a European luxury hotel chain expansion. Each door was custom-sized, finished to match the hotel's interior design specifications, and packaged for damage-free container shipping.
Fulfilled a large-scale government affordable housing contract supplying 5,000+ Class A security steel doors across Nigeria. Products met all specified security performance requirements and were delivered on schedule across multiple shipments.
Our reputation is built on the satisfaction of our partners worldwide. Here is what some of our long-term clients have to say about working with Jiangsu RZ Door and Jiahua.
"We have been sourcing security doors from Jiahua for over 5 years. The quality is consistently excellent, the lead times are reliable, and their team is always responsive to our customization requests. A truly professional manufacturer."
"The OEM service from RZ Door is outstanding. They handled our complete branding requirements — custom packaging, logo hardware, and exclusive finishes. The products arrived perfectly and our clients love them. Highly recommended."
"For our large government project, Jiahua delivered 5,000 doors on time and within budget. The Class A security certification was exactly as specified, and the factory's quality control process gave us full confidence throughout. Excellent partner."
At Jiangsu RZ Door Co., Ltd. and Yongkang Jiahua Electronic and Mechanical Co., Ltd., we operate under a set of core values that define our approach to business and guide every decision we make.
Uncompromising commitment to material excellence, precision manufacturing, and rigorous quality control in every product we produce and every service we deliver.
Streamlined production processes, responsive communication, and optimized logistics ensure we consistently deliver on time without sacrificing quality or attention to detail.
Honest, transparent business practices build the foundation of trust. We say what we mean, deliver what we promise, and address challenges openly and constructively.
Practical, grounded business thinking focused on real solutions and genuine value creation. We foster long-term relationships built on mutual respect and shared success.
We welcome opportunities for cooperation with partners around the world. If you are looking for a reliable door manufacturer with decades of experience and a strong commitment to quality, we look forward to partnering with you for mutually beneficial success. Please feel free to contact us to discuss your needs and how we can help bring your projects to life.
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