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Wholesale Cold Rolled Coil Supplier

Wholesale Cold Rolled Coil Supplier
Reliable Hot-Dip Galvanized Round Pipe with Long-Term Corrosion Protection

Reliable Hot-Dip Galvanized Round Pipe with Long-Term Corrosion Protection
Premium Wholesale Hot-Dip Galvanized Round Pipe Manufacturer

Premium Wholesale Hot-Dip Galvanized Round Pipe Manufacturer
High Performance Hot-Dip Galvanized Round Pipe for Industrial and Construction Applications

High Performance Hot-Dip Galvanized Round Pipe for Industrial and Construction Applications
High-Quality Hot-Dip Galvanized Round Pipe for Global Construction Projects

High-Quality Hot-Dip Galvanized Round Pipe for Global Construction Projects
YTDR ERW Steel Pipe Solutions with International Standards Compliance

YTDR ERW Steel Pipe Solutions with International Standards Compliance
YTDR Durable ERW Steel Pipe with Advanced Manufacturing Technology

YTDR Durable ERW Steel Pipe with Advanced Manufacturing Technology
Yuantai Derun ERW Steel Pipe for Global Steel Supply

Yuantai Derun ERW Steel Pipe for Global Steel Supply
Premium ERW Steel Pipe Manufacturer for Construction and Infrastructure Projects

Premium ERW Steel Pipe Manufacturer for Construction and Infrastructure Projects
ERW Steel Pipe – High-Performance Welded Pipe for Global Industrial Applications

ERW Steel Pipe – High-Performance Welded Pipe for Global Industrial Applications
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Black Square Tube for Construction and Fabrication Projects (3).jpg
Black Square Tube for Construction and Fabrication Projects (4).jpg

Black Square Tube for Construction and Fabrication Projects

Yuantai Derun specializes in black square tubes with integrated manufacturing and logistics. Our commitment to a greener future and 700M RMB capital ensures premium, cost-effective structural steel for worldwide projects.

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    Beyond Standard Specifications

    Large-scale infrastructure and specialized industrial applications often require steel profiles that transcend standard catalog specifications. Yuantai Derun excels in providing highly customized Black Square Tube solutions to meet these unique engineering challenges. Leveraging years of technological accumulation and a robust manufacturing infrastructure, we can significantly shorten the development and production cycle of non-standard steel pipes, ensuring your project stays on schedule without compromising on quality.


    Our ability to customize dimensions, wall thicknesses, and steel grades sets us apart as a true partner in engineering. We offer a wide spectrum of customization options, from 10x10x0.5mm to 1000x1000x60mm, ensuring a perfect match for your specific load requirements and design constraints. Whether you need a specialized size for an offshore platform, a specific grade for a seismic-resistant structure, or a unique length to minimize on-site welding, we have the technical expertise and the manufacturing capability to deliver.

    Black Square Tube (1) Black Square Tube (5)

    Customization and Technical Capabilities


    With over 100 production lines, including 65 dedicated to ERW/HFW welded pipe production, and a vast array of secondary processing capabilities like hot-dip galvanizing and JCOE/LSAW welding, we can execute projects of any magnitude . Our technical team works closely with clients from the design phase to provide engineering support and ensure the final product perfectly aligns with the project's objectives.

    Extensive Size Range: We manufacture square pipes from 20x20mm up to a massive 1000x1000mm, and rectangular pipes with widths up to 1200mm, covering almost any conceivable structural need.
    Flexible Steel Grades: Choose from a variety of steel grades including Q195, Q235, Q345, S235, S355, and other custom grades to match specific strength and welding requirements.
    Comprehensive Secondary Operations: We offer in-house capabilities for galvanizing, painting, beveling, and other finishing processes, providing a one-stop shop for your steel needs.
    Rapid Prototyping: Our wealth of production experience allows us to quickly develop and produce samples for non-standard sizes, ensuring validation before mass production.

    Engineering and Project Support


    From the initial concept to the final delivery, Yuantai Derun provides comprehensive engineering and logistical support. Our team understands the complexities of large-scale projects and is prepared to offer solutions that simplify your supply chain and ensure seamless project execution.

    ● Customized Packaging: We provide seaworthy packaging options to protect your investment during international shipping, ensuring the product arrives on-site in perfect condition.
    ● Global Reach: With a robust international trade network and a strong presence in the Middle East, Southeast Asia, EU, Africa, and Latin America, we manage the logistics of complex global supply chains .
    ● Dedicated Support: Our sales and engineering teams work in tandem to provide professional quotes, technical support, and project management services, making us a reliable partner for project procurement managers, designers, and contractors worldwide.
    ● Proven Track Record: Our products have been utilized in landmark projects such as the National Grand Theater and the Hong Kong-Zhuhai-Macao Bridge, showcasing our ability to meet the most demanding quality and delivery requirements .
    Hot-Dip Galvanized Square Pipe (2)

    International Certifications Guarantee Product Reliability


    For global buyers, compliance with international standards is essential. Yuantai Derun is committed to maintaining high-quality manufacturing systems and has achieved multiple internationally recognized certifications.

    Our certifications include:
    ● ISO9001 Quality Management System
    ● ISO14001 Environmental Management System
    ● OHSAS18001 Occupational Health and Safety Management System
    ● EU CE Certification (EN10219/EN10210)
    ● BV Certification
    ● JIS Standards
    ● DNV Certification
    ● ABS Certification
    ● LEED Standards
    These certifications demonstrate Yuantai Derun’s commitment to quality assurance, environmental responsibility, safety management, and international compliance.
    Hot-Dip Galvanized Square Pipe Manufacturer (3)

    Why Yuantai Derun Is the Preferred Black Square Tube Supplier


    Choosing the right manufacturer is essential for achieving successful projects. Yuantai Derun provides customers with professional manufacturing expertise, reliable quality, and comprehensive service support.
    The advantages of choosing Yuantai Derun include:
    1.Experienced Steel Manufacturer
    With more than 20 years of industry experience, Yuantai Derun has developed strong expertise in producing structural steel products.
    2.Large Production Capacity
    Multiple production lines and advanced facilities enable efficient manufacturing for both standard and customized orders.
    3.Complete Steel Product Solutions
    Customers can access a wide range of products, including black square tubes, rectangular tubes, galvanized pipes, ERW steel pipes, structural round tubes, and spiral welded pipes.
    4.Global Supply Chain Advantages
    Strategic location and professional logistics management ensure efficient transportation and reliable delivery worldwide.
    5.Commitment to Customer Success
    Yuantai Derun provides technical support, customized solutions, and professional services to help customers complete projects successfully.
    Heavy-Duty Thick-Wall Black Square Pipe (1)