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Premium Steel Tower & Substation Structures Manufacturer

ISO-certified Chinese factory with 9+ years of experience, 50,000㎡ production area, and 230+ skilled professionals delivering high-quality steel structures globally.

Steel Tower Manufacturing

Trusted by Global Clients

9+
Years of Experience
50,000+
Factory Area (㎡)
230+
Experienced Staff
20+
Patents
ZAILI Factory

About Qingdao Zaili Electric Power Equipment Co., Ltd

Established in 2015 (predecessor Zaili Steel in 2014), Qingdao Zaili Electric Power Equipment Co., Ltd is a leading manufacturer of steel towers, substation structures, and steel construction products in China.

With a registered capital of 50 million yuan and a 50,000 square meter factory located just 30km from Qingdao Port, we serve clients across power, communications, photovoltaic, agriculture, and animal husbandry industries.

Our monthly production capacity reaches 4,250MT, supported by advanced CNC machines, welding robots, and strict quality control systems. We are ISO9001 and ISO14000 certified, ensuring excellence in quality, environmental management, and safety.

One-Stop Solution from Design to Delivery
On-Time Delivery Guaranteed
Customer-First Service Philosophy

Our Products

Guyed Wire Communication Tower

Guyed Wire Communication Tower

High-strength steel structure with guaranteed on-time delivery and 15-day turnaround from finalized design.

  • Available in various heights and load capacities
  • Corrosion-resistant galvanized finish
  • Customizable for different terrain conditions
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Electric Transmission Towers

Electric Transmission Towers

Steel lattice towers designed for overhead power line support in 10KV to 1000KV applications.

  • Designed for extreme weather conditions
  • High load-bearing capacity
  • Compliant with international standards
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Transmission Structures

Transmission Structures

Advanced CNC-produced angular towers, monopole towers, and bending arc structures.

  • Robotic welding for precision joints
  • Modular design for easy assembly
  • Custom engineering support available
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Tubular Steel Tower

Tubular Steel Tower

Durable tubular structures widely used in communication and transmission applications.

  • Excellent wind resistance
  • Smooth surface for reduced maintenance
  • Available in diameters from 300mm to 2000mm
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Substation Steel Structure

Substation Steel Structure

Main supporting structures for outdoor conductors and equipment in electrical substations.

  • High electrical insulation safety
  • Corrosion and fire resistant
  • Engineered for long-term reliability
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Steel Structure Warehouse

Steel Structure Warehouse Building

Prefabricated steel buildings for industrial, commercial, and agricultural storage.

  • Fast construction and installation
  • Cost-effective and durable
  • Customizable spans and heights
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Ropeway Structure

Ropeway Structure

Support towers for cableway systems used in mountainous and remote areas.

  • Designed for high-altitude installations
  • Resistant to vibration and dynamic loads
  • Available in guyed and self-supporting types
View Details →
Welding Parts

Welding Parts

High-strength welded components for structural integrity in critical applications.

  • 100% quality inspected
  • Automated robotic welding
  • Non-destructive testing available
View Details →

Why Choose ZAILI?

Quality Assurance

100% quality guarantee with ISO9001 and ISO14000 certification. Full-process monitoring from raw materials to final delivery.

Advanced Equipment

CNC machines, robotic welding, bending and arc machines ensure precision and consistency in every product.

On-Time Delivery

Contractual obligation fulfillment with 15-day turnaround from finalized design to production start.

Global Service

Serving customers worldwide with customized solutions, technical support, and after-sales service.

Our Certifications

Qingdao Zaili Electric Power Equipment Co., Ltd has passed ISO9001 and ISO14000 quality, environmental, and safety system certifications, demonstrating our commitment to excellence and sustainable manufacturing practices.

ISO9001

ISO9001:2015

ISO14001

ISO14001:2015

Frequently Asked Questions

What is the production capacity of your factory?

Our factory has a monthly production capacity of 4,250 metric tons, supported by a 50,000 square meter facility and over 230 skilled professionals.

Do you offer customization for steel towers?

Yes, we provide full customization services including design, engineering, and manufacturing according to client specifications and international standards.

What voltage levels do your transmission towers support?

Our transmission towers are designed for 10KV, 35KV, 66KV, 220KV, 230KV, 500KV, and 1000KV applications, meeting various grid requirements.

How do you ensure product quality?

We implement whole-process monitoring from contract signing, raw material procurement, design, production, and manufacturing. All products undergo strict quality inspection before shipment.

What is your delivery time?

We guarantee on-time delivery with a typical turnaround of 15 days from finalized design to production start, depending on order volume and complexity.

Contact Us

For inquiries, quotes, or technical support, please visit our official website to get in touch with our team.

Phone: +86-18153205650
Email: [email protected]
Address: Nanwangzhu Village, Jiaolai Street, Jiaozhou City, Qingdao, China

Visit Official Website

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