SQUARE AND RECTANGULAR HWS ENTERPRISE
ENTERS INTO CHINA TOP 500
MANUFACTURING ENTERPRISE

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Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002, is the biggest manufacturer specializing in  ERW square&rectangular tube/pipe, hollow section structure pipe, galvanized pipe and spiral welding pipe in China. Annual output reaches 5 million tons.Yuantai Derun has 59 production lines of black ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welding pipe. Square pipe from 20*20*1mm to 500*500*40mm, rectangular pipe from 20*30*1.2mm to 400*600*40mm,  welded pipe from 2”—60” can be manufactured. Yuantai Derun can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, DIN2240, BS1387, AS1163.

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January 1993

Key team members of Yuantai Derun group began technical job in Tianjin Daqiuzhuang tube factory.

June 2002

Tianjin Yuantai Industry & Trade Co., Ltd. was founded, specialize in square, rectangular hollow steel pipe, hot galvanized welded (hot dip galvanized) square tube, the registered capital is USD 10 million.

May 2004

One of Yuantai subsidiaries Tangshan Lituo Steel Tube Co., Ltd. was established, specialize in square rectangular straight welded hollow steel pipe, registered capital is USD 10 million.

April 2005

Yuantai Steel Square Pipe Co. Ltd. was established, specialize in square welding hollow steel tube and galvanized tube, the registered is USD 2 million.

March 2010

Tianjin Yuantai Runxiang commercial trade company was established, specialize in strip steel trade, galvanized pipe agent, etc., the registered capital is USD 2 million.

March 2010

Tianjin Yuantai Derun pipe manufacturing group Co. Ltd. was formally established, marking that the production of high-frequency welded black, galvanized square pipe, spiral welded pipe, pipe logistics and pipe trade as one of the large-scale joint enterprise Yuantai Derun group was formally established, the group registered capital is USD 20 million.

March 2010

Tianjin Yuantai Derun Investment Co., Ltd. was formally established, specialize in steel pipe industry chain,lower industry mergers and acquisitions and industrial real estate development, the registered capital is USD 2 million.

August 2013

Tianjin Derun Runfeng pipe manufacturing Co. Ltd was established, specialize in hot galvanized (hot galvanizing) processing business, the registered capital is USD 8 million.

March 2015

Tianjin Yuantai Yuanda anti-corrosion insulation pipe Co., Ltd. was established, specialize in spiral welded pipe production and sales, the registered capital is USD 2 million.

August 2015

Tangshan Yuantai Derun Pipe Co., Ltd. was established, specialize in steel strip, steel pipe trade, registered capital is USD 1 million.

March 2016

Tianjin Yuantai Derun International Trade Co., Ltd was established,mainly engaged in international import and export business for Yuantai Group, registered capital is USD 2 million.

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Seven key points for judging inferior square and rectangular pipes
Seven key points for judging inferior square and rectangular pipes

(1) Pockmarking on the surface: Pockmarking is an irregular uneven defect on the steel surface caused by severe wear of the rolling groove. Because manufacturers of fake and inferior square steel tubing pursue profits, groove rolling often exceeds the standard;(2) Cracks are easy to occur: the reaso

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Congratulations! Tianjin Yuantai Derun Group Ranked 338th In The 2023 China Top 500 Private Manufacturing Enterprises List
Congratulations! Tianjin Yuantai Derun Group Ranked 338th In The 2023 China Top 500 Private Manufacturing Enterprises List

The All-China Federation of Industry and Commerce released the "2023 China's Top 500 Private Manufacturing Enterprises List" in Jinan on September 12. We are pleased to see that Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. ranked 338th with a score of 25,750.71 millio

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Analysis of common internal defects and inspection methods of square and rectangular pipes
Analysis of common internal defects and inspection methods of square and rectangular pipes

There are four main common internal defects in rectangular square tubes: first, slag inclusion, which is an impurity phase or foreign particles surrounded by a solid metal matrix; second, decarburization, which is the surface layer of steel and iron-based alloy materials or parts. The phenomenon of

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Analysis of Ten Elements Affecting the Performance of Square Rectangular Tube
Analysis of Ten Elements Affecting the Performance of Square Rectangular Tube

The quality and performance of square tubeshave a lot to do with the content of specific elements in the raw steel. Let's introduce ten elements that have a greater impact:(1) Aluminum: It can refine the grain structure of steel and inhibit the aging of low-carbon steel. Improving the toug

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