This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Premium
Steel Pipes & Tubes
From China's Leading Manufacturer

Handan Zhengda Steel Pipe Co., Ltd. (ZDP) – ISO-certified, top 500 Chinese manufacturer, supplying high-quality ERW, SSAW, seamless, galvanized, and structural steel pipes for global infrastructure.

Explore Products Official Website

About ZDP

Handan Zhengda Steel Pipe Co., Ltd. ("ZDP") is one of the top 100 enterprises in Hebei Province and a national high-tech enterprise recognized by the Chinese government. As a leading steel pipe manufacturer, ZDP has been at the forefront of innovation, quality, and reliability since its inception.

We specialize in ERW steel pipe, galvanized steel pipe, SSAW steel pipe, square and rectangular hollow sections, scaffolding, steel-plastic composite pipes, and angle iron. Our products meet international standards including ASTM, ISO, EN, and GB.

20+
Years of Experience
50+
Countries Served
Steel Plant Pipe Production Quality Control Finished Products

Our Core Strengths

Quality Assurance

ISO 9001 certified with rigorous testing at every stage of production.

R&D Focus

Continuous innovation in materials and manufacturing processes.

Certified Standards

ASTM, ISO, EN, GB/T compliant products for global markets.

After-Sales Support

Dedicated team ensuring customer satisfaction and technical support.

Our Products

ASTM A53 Galvanized Steel Pipe

ASTM A53 Galvanized Steel Pipe

  • Standard: ASTM A53
  • Grades: Q235B, Q345B, SS400, S235JR
  • Thickness: 2.0mm–10.0mm
  • Shape: Circular
SSAW Steel Pipe

SSAW Steel Pipe

  • Standard: API 5L, GB/T 9711
  • Grades: Q235B, Q355B, X42–X70
  • Diameter: 219–3620mm
  • Application: Oil & gas, water transmission
Seamless Steel Pipe

Seamless Steel Pipe

  • Standard: ASTM A106, GB/T 8162
  • Grades: 20#, 45#, Q345
  • Diameter: 10–630mm
  • Use: High-pressure systems, machinery
Square & Rectangular Pipe

ASTM A500 Hollow Section

  • Standard: ASTM A500, GB/T 6728
  • Grades: Q235B, Q355B, S235, S355
  • Size: 15x15–300x300mm
  • Finish: Hot-dip galvanized
Scaffolding Pipe

EN39-EN10219 Scaffolding

  • Standard: EN39, EN10219, BS1139
  • Grades: S235J0H, Q235B
  • Diameter: 48.3mm
  • High-grade zinc coating
PPGI Steel Coil

PPGI (Pre-Painted Galvanized Iron)

  • Coating: Zinc + Polyester paint
  • Thickness: 0.18–2.0mm
  • Width: 600–1250mm
  • Use: Roofing, cladding, appliances
Hot Rolled Coil

Hot Rolled Coil (HRC)

  • Grade: Q235, Q355
  • Thickness: 1.5–12mm
  • Width: 600–1600mm
  • Standard: GB/T 3274
Steel Plate

Steel Plate

  • Grade: Q235B, Q355B, A36
  • Thickness: 3–100mm
  • Width: 1000–3000mm
  • Application: Shipbuilding, construction
View All Products

Why Choose ZDP?

Modern Facilities

Advanced production lines with automated control systems ensure consistency and precision.

Global Certifications

ISO 9001, ISO 14001, API 5L, CE, and other international accreditations.

Export Ready

Shipped to over 50 countries with reliable logistics partners and packaging.

Trusted Partnerships

Long-term collaborations with major construction and energy firms worldwide.

500+
Projects Completed
50+
Countries Served
200,000+
Tons Annual Output
20+
Years in Industry

Notable Projects

ZDP steel pipes have been trusted in some of China’s most iconic and critical infrastructure developments.

South-to-North Water Diversion

Beijing Daxing Airport

Bird’s Nest Stadium

Water Cube

Three Gorges Dam

Hangzhou Bay Bridge

Learn About Our Projects

Frequently Asked Questions

Our products comply with international standards including ASTM, ISO, EN, API, and GB/T. Each batch undergoes strict quality control and certification.
Yes, ZDP offers OEM services with customizable dimensions, thickness, coatings (galvanized, pre-painted), and packaging based on client specifications.
We produce over 200,000 tons of steel pipes annually, supported by automated production lines and a skilled workforce.
Every product undergoes ultrasonic testing, hydrostatic testing, chemical analysis, and dimensional inspection. We are ISO 9001 certified.

Get in Touch

For inquiries, quotes, or technical support, visit the official ZDP website to connect with our team.

Company: Handan Zhengda Steel Pipe Co., Ltd. (ZDP)

Address: Dongxi Yaobao Village, North Extension Road, Juliang Avenue, Cheng'an County, Handan City, Hebei Province, China

Phone: +86 137 3691 5979

Email: han@zdpipe.com

Visit Official Website
China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系support@fobcompany.info 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作 也请联系support@fobcompany.info