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.

Professional Steel Pipe Manufacturer & Stockist

DINGZHI PIPELINE is a trusted manufacturer and stockist of seamless pipes, stainless steel pipes, welded pipes, and prefabricated products. With over 15 years of experience, we deliver high-quality solutions for fluid delivery systems worldwide.

Explore Products
Steel Pipe Manufacturing

About DINGZHI PIPELINE

Shandong Dingzhi Pipeline Industry Co., Ltd. is a professional manufacturer and supplier of steel pipes and related products. We specialize in seamless carbon steel pipes, stainless steel products, welded steel pipes, structural steel sections, and pipe fittings.

Our factory has more than 15 years of experience in manufacturing and R&D, equipped with advanced production and testing equipment. We have passed ISO and other international certifications, ensuring consistent quality across all our product lines.

Our main markets include the Middle East, Europe, Africa, Central and South America, and Southeast Asia. We are committed to providing one-stop service and long-term partnership with our clients.

Our Products

High-quality steel pipes and fittings for diverse industrial applications

Seamless Steel Pipe

Seamless Steel Pipe

  • OD: 6.35mm – 914.4mm
  • Wall Thickness: 1.25mm – 45mm
  • Standards: ASTM A106, A53, A335
  • Grades: Gr.A, Gr.B, Gr.C, P5, P9, P11, P22, P91
Stainless Steel Pipe

Stainless Steel Pipe

  • Seamless Sizes: 1/4" – 20"
  • Welded Sizes: 1/4" – 30"
  • Schedules: 10s, 40s, 80s, 160, XXH
  • Grades: 304, 304/L, 304H, 316, 316L, 321
SSAW Steel Pipe

SSAW Steel Pipe

  • OD: 219.1mm – 3048mm (8″–120″)
  • Wall Thickness: 4mm – 30mm
  • Standards: API 5L, ASTM A252, EN10217, EN10219
  • Applications: Oil & gas, structural, water pipelines
Carbon Steel Welded Pipe

Carbon Steel Welded Pipe

  • OD: 21.3mm – 660mm (1/2″–26″)
  • Wall Thickness: 1.5mm – 20mm
  • Length: 3M – 18M
  • Ends: Plain, Beveled, Threaded
Hot Dipped Galvanized Pipe

Hot Dipped Galvanized Seamless Pipe

  • Standards: ASTM A106, A53
  • Grades: Gr.A, Gr.B, Gr.C
  • Coating: Black paint, epoxy, FBE, 3PE, polyethylene
  • Applications: Bending, coiling, shape forming
Cold Drawn Seamless Pipe

Cold Drawn Seamless Steel Pipe

  • Standards: EN 10305, DIN 2391, ASTM A179
  • Surface: Oiled, black painted, NBK, GBK, BK, BKS
  • Applications: Hydraulic equipment, automotive parts, mechanical structures
  • Technique: Cold Drawn

ASTM A106 Seamless Carbon Steel Pipe

  • Standard: ASTM A106
  • Grades: Gr.A, Gr.B, Gr.C
  • Applications: High-temperature service, bending, coiling
  • Coating: Black paint, varnished, epoxy, FBE, 3PE

Stainless Steel Welded Pipe

  • OD: 11/8″ – 36″
  • WT: 5S, 10S, STD, XH, 40, 80, 100, 120, 160, XXH
  • Length: 5.8m, 6m, 11.8m, 12m
  • Standards: ASTM A240, A269, A312, A778, A789

Structural Steel Section

  • Available in various shapes: I-beam, H-beam, channel, angle
  • Used in construction, bridges, industrial frameworks
  • High strength-to-weight ratio
  • Customizable dimensions and lengths

Pipe Fittings

  • Elbows, tees, reducers, caps, flanges
  • Materials: Carbon steel, stainless steel, alloy steel
  • Standards: ANSI, ASME, DIN, JIS, BS
  • Available in welded and seamless types

Why Choose DINGZHI?

We combine quality, service, and expertise to deliver unmatched value

Quality Assurance

With over 15 years of manufacturing and R&D experience, our factory uses advanced equipment and has passed ISO and international certifications.

Skilled Team

Our sales team offers 24/7 support with years of industry experience, providing professional guidance and technical assistance.

After-Sales Service

We have a dedicated after-sales team ready to resolve any issues promptly and efficiently, ensuring customer satisfaction.

One-Stop Service

From seamless and welded pipes to fittings and structural sections, we offer a complete range to meet all your project needs.

15+

Years Experience

50+

Countries Served

1000+

Projects Completed

99.8%

Customer Satisfaction

Frequently Asked Questions

What's the difference between seamless and welded pipe?

What standards do your products comply with?

What are your main export markets?

Do you offer custom sizes and coatings?

Get in Touch

We're ready to support your next project with high-quality steel pipes and expert service.

Visit Official Website to Contact

Shandong Dingzhi Pipeline Industry Co., Ltd.

Global Markets: Middle East, Europe, Africa, Americas, Southeast Asia

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