Premium Steel Solutions from China

Shanghai Ali-Mama Steel Trading Co., Ltd. – ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality steel tubes, pipes, structural components, and industrial fittings. Fast delivery, global reach, unmatched quality.

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Fast Delivery

Leveraging our strategic location in Shanghai for rapid global shipment.

ISO 9001:2015 Certified

Committed to international quality standards in every product.

Complete Production Line

Advanced equipment ensures precision and consistency.

About Ali-Mama Steel

Established in 2020 and headquartered in the northern district of Shanghai, Shanghai Ali-Mama Steel Trading Co., Ltd. is a trusted local stockist and international distributor of premium steel products. We specialize in a wide range of steel tubes, pipes, structural components, and industrial fittings for construction, engineering, and infrastructure projects worldwide.

Our geographical advantage in Shanghai enables fast logistics and efficient export operations. We supply carbon steel pipes (ERW, LSAW, SSAW, RBE), stainless steel pipes, hot-rolled products, galvanized materials, flanges, and custom-fabricated steel structures tailored to client specifications.

Our Products

From seamless carbon steel pipes to prefabricated steel structures, we offer a comprehensive range of industrial-grade steel products meeting ASTM, API, and ISO standards.

API 5L ASTM A106 A53 Seamless Steel Pipe

Carbon steel seamless pipe, 15mm–406mm OD, ideal for oil & gas, construction, and industrial applications.

Standard: API 5L, ASTM A106, A53
Material: Carbon Steel
Application: Pipeline, structural support

Stainless Steel Welded Pipe

Hot-selling 201 stainless steel thin-wall round pipe, suitable for handrails, broom pipes, and architectural use.

Grade: 201, 316, AISI 431, SUS
Type: Welded, Seamless
Finish: Hairline, brushed, polished

Prefabricated Steel Structure Warehouse

Custom EN 1090 S355JR steel girder buildings, fully fabricated according to engineering drawings.

Standard: EN 1090, AWS D1.1
Coating: Galvanized or Juton paint
Design: V-column, roof beam, walkway

Carbon Steel Elbow Fitting

ASME B16.9 ASTM A234 WPB 90°/45° LR/SR elbow, Sch40, 8-inch diameter.

Standard: ASME B16.9, ASTM A234
Type: Carbon Steel – Elbow
Size: Up to 8 inch, Sch40

Hot-Dipped Galvanized ERW Steel Pipe

ASTM A53 Gr. B, ASTM A106, round and square pipes with anti-corrosion coating.

Standard: ASTM A53, A106
Process: ERW, Seamless
Coating: Hot-dip galvanized

Heavy & Light Railway Steel Rail

Railroad steel rails for mining, cranes, and industrial track systems.

Type: Heavy and Light Rail
Application: Mining, crane systems
Standard: ASTM, GB

PVC & PE Plastic Tubes

Corrugated PVC communication conduits and PE pipes for infrastructure and utilities.

Type: PVC, PE, Corrugated Pipe
Use: Electrical conduits, water systems
Size: Customizable diameters

H-Steel & I-Beam Profiles

Structural steel beams including H-profile, I-beam, L-corner, and flat bar for construction.

Types: H-Steel, I-Beam, L-Corner, Flat Bar
Standard: ASTM, GB, JIS
Finish: Hot-rolled, galvanized

View All 70+ Products

Why Choose Ali-Mama Steel?

We combine quality, speed, and global expertise to deliver reliable steel solutions for your projects.

Strategic Location

Based in Shanghai, we leverage port access for fast export and delivery across Asia, Middle East, Africa, and beyond.

Fast Delivery

Equipped with full production capabilities and local inventory, we ensure prompt order fulfillment.

ISO 9001:2015 Certified

Our quality management system meets international standards for consistent, reliable products.

Global Exporter

Trusted by clients in over 50 countries, from Saudi Arabia to South America.

Frequently Asked Questions

Where is Ali-Mama Steel located?

We are located at Room 612, Taifu Commercial Plaza, No. 2399, Shuichan Road, Baoshan, Shanghai, China.

Are you a manufacturer or trading company?

We are both a local stockist and international distributor with strong manufacturing partnerships, ensuring quality and fast delivery.

What standards do your products meet?

Our products comply with international standards including ASTM, API 5L, ISO, EN 1090, and GB.

How can I request a quote?

Visit ali-steel.com and submit your inquiry. We respond within 24 hours.

Do you offer custom fabrication?

Yes, we provide custom steel structure fabrication based on engineering drawings and client specifications.

Get in Touch

For inquiries, pricing, or technical support, reach out to us directly.

Phone: +86 21 6167 6040

Email: info@ali-steel.com

WhatsApp/WeChat: +86 13439183894

Room 612, Taifu Commercial Plaza, No. 2399, Shuichan Road, Baoshan, Shanghai, China.

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