UNIASEN factory gate

UniAsen (Tianjin) Co., Ltd. is the most professional carbon steel pipe manufacturer, supplier and exporter in China. We are mainly engaged in the production and sales of various types of steel pipes and related products.

The products mainly involve ERW pipe, SSAW pipe, LSAW pipe, SMLS pipe, Line pipe, sprinkler pipe, shoulder pipes, Octg, Pipe Fittings, etc. These pipes have broad application prospects in petroleum, chemical industry, construction, water conservancy, coal and other fields. View project examples.

As a carbon steel pipe supplier, UNIASEN now has a number of modern production lines, including an advanced automated steel pipe welding line and heat treatment line, with about 20,000 tons of carbon steel pipe.

We have more than 20 pipe specialists who will provide expert advice on your products and help you complete your project faster and better!

More About UNIASEN


Years Experience


Project Done




Happy Clients

Why Choose US

We have been serving oil and gas companies for more than 20 years. So far, we have in-depth cooperation with more than 1,000 well-known companies.

Our Services and Projects

China Carbon Steel Pipe Exporter

UNIASEN has 17 years of rich experience in carbon steel pipe manufacturing. The products have been widely used in many industries worldwide, such as oil & gas, solar, water transmission, construction, etc.

  • High-quality carbon steel tubes and pipes, strict production process.
  • With an extensive product range, steel pipes are suitable for various industries.
  • Customized solutions and tailor-made carbon steel pipes.
  • Advanced production equipment and technology, efficient production.
  • Professional team, providing professional technical support.
carbon steel pipe supplier_UNIASEN

MOGE Pipeline Project

carbon steel pipe fabrication_seamless carbon steel pipe

Auckland Port Expanding Project

PDVSA Pipeline Project

wholesale steel pipe_carbon steel pipes and tubes supplier

Navojoa Solar Project

Recent News


Difference Between Schedule 40 and Schedule 80 Pipe

Schedule 40 and Schedule 80 steel pipes are two common choices when buying industrial pipes....

Seamless Steel Pipe vs. Welded Pipe

With the rapid development of industrialization, the manufacturing process of steel pipes is also constantly...

Top 10 Steel Pipe Manufacturers and Suppliers in the USA

This article will introduce the top Carbon Steel Pipe manufacturers in the United States, their...

Our Clients