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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How to make overlapping C purlins in steel structures?
How to make overlapping C purlins in steel structures?

1. Use 3 thick steel plates to make a C-shaped joint, add a 3 mm thick steel plate to the main purlin, and connect it with bolts.2. For overlapping purlins, just ensure that the length of the overlapping is not less than 1.5 times the height of the C-shaped steel. Use bolts to fix the purlins. The p

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Detailed explanation of steel sheet pile construction methods and safety technology
Detailed explanation of steel sheet pile construction methods and safety technology

Foundation pit excavation1. After the steel sheet pile construction is completed, use an excavator to excavate the foundation pit.2. When the foundation pit is excavated to about 1 meter, support the steel sheet piles with steel purlins.3. The steel sheet pile purlin support uses full-length H-shape

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Features of H-shaped steel
Features of H-shaped steel

Hot-rolled H-shaped steelreasonably distributes the aspect ratio of the cross-section size according to different uses and has excellent mechanical properties and excellent practical performance.The structure is light in weight. It is lighter than the self-weight of the concrete structur

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Chemical reactions that occur during pickling of steel pipes in steel pipe processing
Chemical reactions that occur during pickling of steel pipes in steel pipe processing

Because the iron oxide scale on the surface of carbon structural steel or low-alloy steel has a loose, porous, and cracked structure, and the iron oxide scale is straightened, stretched, and transported along with the steel during pickling, it causes these pores and cracks. further increase and expa

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