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Full industrial chain service capabilities Advantages of large-scale intelligent manufacturing OEM&ODM customization capabilities

Balcony guardrail
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One-Stop Guardrail Manufacturer

One-Stop Guardrail Manufacturer

Chongqing Zhengda Steel Structure Co., Ltd.

Industry-Leading Guardrail Manufacturing with 27-Year Expertise

A partner of the Fortune Global 500

Industry-Leading Guardrail Manufacturing with 27-Year Expertise

With 27 years of professional experience, we operate a 15,000㎡ factory with 3 fully automated lines. As a Fortune Global 500 partner and holder of ISO certifications, our patented zinc-steel guardrail process enhances acid, alkali, and corrosion resistance, ensuring 20-year rust resistance, meeting strict traffic engineering standards.

One-Stop Solutions: Customization, Fast Delivery & Reliable Support

OEM&ODM customization capabilities & 2-year warranty

One-Stop Solutions: Customization, Fast Delivery & Reliable Support

We offer full-range services from design to installation, with strong OEM/ODM capabilities. Standard guardrails are in stock for 7-day shipping. We provide 2-year warranty, lifetime spare parts, and professional installation guidance, ensuring seamless project execution.

Founded in 1998 and based in Tongliang District, Chongqing, Zhengda specializes in manufacturing a diverse range of products—including building railings, highway guardrails, isolation barriers, lamp posts, signage, and steel structures—using carbon steel, zinc steel, stainless steel, and aluminum alloy.​
With nearly 100 patents for "prefabricated drive guardrails" and as an industry standard contributor, we operate advanced automated production lines equipped with laser cutting and CNC machining. Our products serve over 30 provinces across China and are exported to markets in Asia (Japan, Vietnam) and Africa (Liberia, South Sudan).
Million of registered capital

120 +

Million of registered capital

Employee size

110 +

Employee size

Factory floor area

15000

Factory floor area

Fully automatic production line

3 points

Fully automatic production line

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why choose us

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Background

OUR CERTIFICATE

Professional and High-quality

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What People Say [About] Us

Comments from customers we have served

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New Zealand
New Zealand contractor: Zhengda's patented guardrails show zero corrosion in 18 months. 20-yr guarantee & ISO quality cut our install time 40%
New Zealand

New Zealand

United States
United States developer: Zhengda's 100+ patents deliver mm-perfect curved railings. Lifetime parts & high-tech certification revolutionize maintenance.
United States

United States

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Zhengda Steel Guardrails | Premium Prefab Railings & Barriers
Zhengda Steel Guardrails | Premium Prefab Railings & Barriers

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