About Us

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Who we are

UNIASEN was founded in 1998. We quickly gained a reputation for their expertise in steel pipe solutions. 

UNIASEN (Tianjin) Co., Ltd. manufactures and supplies carbon steel pipes for export.  We make different types of steel pipes like seamless, ERW, spiral welded, and hollow section pipes. We provide machining and fittings that meet our customers’ project requirements.

UNIASEN has been supplying carbon steel pipes for over 20 years. We offer wholesale services to customers in 50+ countries. We have one of the largest inventories of carbon steel pipes in China.

Our experts will advise you on dimensions, tolerances, specifications, quantities, and more. Help you complete engineering projects faster and better.

steel pipe supplier_

Production Capacity & Delivery Lead Time

The production capacity of steel pipes reaches 6 million tons and the production capacity of pipe fittings is 1 million pieces:

What is Steel Fabrication

SMLS

4 production lines, production capacity 1.8 million tons, delivery time 20-40 days

ERW 

4 production lines, production capacity 1.5 million tons, delivery time 20-30 days

SSAW

6 production lines, production capacity 1.8 million tons, delivery time 20-30 days

LSAW

2 production lines, production capacity of 900,000 tons, delivery time of 20-40 days

Pipe fittings

20 production lines, production capacity of 1 million pieces, delivery time of 20-40 days

CHINA’S BEST SOURCE OF RAW MATERIALS

Our raw materials come from the top 10 steel mills in China, such as HBIS, BaoSteel, AnBen Steel, ShouGang, etc.

China carbon steel pipe raw material supplier-HEBEI IRON AND STEEL

HEBEI IRON AND STEEL (HBIS), 40.2 million tonnes, up 20.7 percent. China’s biggest steel producer for the first time in 2009, with output second only to ArcelorMittal among its global peers, is in talks to buy Shijiazhuang Steel, also based in Hebei province, as well as other potential targets.

China carbon steel pipe raw material supplier-BAOSTEEL GROUP

BAOSTEEL GROUP, 38.9 million tonnes, up 9.9 percent. China’s traditional market leader, based in Shanghai, has also been active in buying smaller mills like Bayi Iron and Steel and Guangdong Iron and Steel.

China carbon steel pipe raw material supplier-ANBEN IRON AND STEEL

ANBEN IRON AND STEEL, 29.3 million tonnes, up 25.2 percent. A company formed after state-owned giants Anshan Iron and Steel <0347.HK> (Angang) and Benxi Iron and Steel (Bengang) merged and based in northeastern Liaoning province.

China carbon steel pipe raw material supplier-SHOUGANG GROUP

SHOUGANG GROUP, 17.3 million tonnes, up 41.8 percent. Based in Beijing and established 90 years ago, has almost completed plans to move its production facilities out of the capital into neighbouring Hebei province. The company plans to raise total annual capacity to more than 30 million tonnes by 2012.

History and achievements