Hunan Haihengda Metal Material Co., Ltd. | Premium Steel Pipes & Fittings Supplier

About Hunan Haihengda

Hunan Haihengda Metal Material Co., Ltd. is a professional supplier based in Changsha City, Hunan Province, China. With years of experience in the steel industry, we specialize in manufacturing and exporting a wide range of steel products to international markets.

Our product line includes welded steel pipes, seamless steel tubes, stainless steel seamless pipes, carbon steel seamless pipes, LSAW and SSAW steel pipes, OCTG (Oil Country Tubular Goods), flanges, pipe fittings, and steel gratings.

10+

Years Experience

50+

Global Clients

100%

Quality Tested

Our Products

High-performance steel solutions engineered for durability, precision, and reliability across industries.

Stainless Steel Seamless Pipe

Corrosion-resistant, high-strength seamless tubing ideal for chemical, food, and pharmaceutical industries.

Carbon Steel Seamless Pipe

Durable and reliable for high-pressure applications in oil & gas, power generation, and mechanical engineering.

ERW / Galvanized Steel Pipe

Electrical Resistance Welded pipes with hot-dip galvanization for superior rust protection.

LSAW Steel Pipe

Longitudinal Submerged Arc Welded pipes for large-diameter pipeline projects in oil, gas, and water transmission.

SSAW Steel Pipe

Spiral Submerged Arc Welded pipes offering high strength and cost-efficiency for long-distance pipelines.

Welded Steel Pipe

Versatile and economical solution for structural, mechanical, and low-pressure fluid applications.

Hollow Section

Square, rectangular, and circular hollow sections used in construction, infrastructure, and mechanical fabrication.

OCTG (Oil Country Tubular Goods)

Casing, tubing, and drill pipes designed for oil and gas exploration and extraction operations.

Flanges & Pipe Fittings

Comprehensive range including weld neck, slip-on, blind flanges, elbows, tees, reducers, and couplings.

Steel Grating

Load-bearing grating solutions for walkways, platforms, stair treads, and industrial flooring systems.

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Why Choose Hunan Haihengda?

We combine advanced manufacturing, strict quality control, and global logistics to deliver reliable steel solutions on time, every time.

Quality Assurance

All products undergo rigorous testing including hydrostatic, ultrasonic, and mechanical property checks to meet international standards.

Fast Delivery

Efficient production and logistics network ensures timely delivery to ports worldwide, minimizing project downtime.

Global Trust

Trusted by clients across Asia, Africa, the Middle East, and South America for consistent quality and service excellence.

Frequently Asked Questions

What standards do your steel pipes comply with?

Our products meet international standards including ASTM, API, GB, DIN, JIS, and ISO, depending on the product type and customer requirements.

Can you provide custom sizes and specifications?

Yes, we offer OEM and ODM services. Our team can produce steel pipes and fittings according to your technical drawings and specifications.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and size. Please contact us directly for specific details based on your requirements.

How do you ensure product quality before shipment?

Each batch undergoes comprehensive inspection including dimensional checks, non-destructive testing (NDT), mechanical testing, and chemical analysis.

What are your main export destinations?

We export to countries across Southeast Asia, Africa, the Middle East, South America, and Eastern Europe.

Get in Touch

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

Visit Official Website

Hunan Haihengda Metal Material Co., Ltd.

Room 1201, Banshan International Center, Shawan Road, Yuhua District, Changsha City, Hunan Province, China

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