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Custom Steel Door Manufacturer

We specialize in the bulk export of custom steel doors for commercial, industrial, and institutional projects. As a certified steel door manufacturer, Zonle Doors offers direct factory supply, flexible MOQ, fast production, and global delivery to 80+ countries. 

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Why Choose us

Trusted by Contractors, Architects & Distributors Worldwide

Founded in 2001, Zonle Doors is one of China's leading professional door suppliers, with 4 major production bases covering 900,000㎡. We were among the first in China to adopt fully automated production lines, employing over 10,000 workers and 50+ R&D specialists. Our 58 advanced production lines feature cutting-edge equipment, ensuring efficiency and top-quality products.

We also operate a quality control lab equipped with advanced testing devices to guarantee durability. With an annual capacity of 8 million doors, our products meet CE, CCCF, ISO9001, and ISO14001 standards.

20+ Years of Manufacturing Experience
Certified by ISO 9001, CE, SGS
Exported to USA, Germany, UK, Canada & More
Full OEM/ODM Customization
Fast Lead Time: 15~25 Days Delivery
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Our Modern Door Workshop

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Certified for Global Standards

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Customer Cases

So far we have cooperated with 200 companies from industries . Although they differ from industry and country, they choose to work with us for the same reasonwe offer high-quality products and service at more competitive prices.
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Fast and Easy Process

Get Your Steel Doors – Fast & Hassle-Free

We reply within 12 hours with a tailored quote.
CAD confirmation → Manufacturing starts immediately.
Global logistics support. DDP/FOB available. 15–25 days to port.
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Door manufacturer
Contact Us
Get Pricing & Specs in 12 Hours
Submit your requirements and receive a tailored quote within 12 hours. All details are confidential, and there's no obligation to order.

FAQ

1
Can I order custom sizes or designs?
Yes. We manufacture steel doors based on your exact size, finish, and functional requirements.
2
What's your minimum order quantity (MOQ)?
We offer flexible MOQ depending on product type and project needs. Trial orders are accepted.
3
Do you provide certifications (like UL or CE)?
Yes. We offer fire-rated and quality certifications such as UL, CE, and ISO as required.
4
How long is the lead time?
For standard steel doors, production takes 15–25 days. For custom designs, we'll confirm after reviewing your specs.
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