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Seamless steel pipe is a long strip of steel with a hollow section and no joints around it.
2021-12--30
See more information 白箭头 黑箭头
Precision bright tube is a kind of high-precision steel tube material processed by fine drawing or cold rolling.
2021-12--30
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Drawing (rolling) seamless steel pipe: round tube billet →heating→piercing→heading→annealing→pickling→oiling (copper plating)→multi-pass cold drawing (cold rolling) →Blank tube→Heat treatment→Straightening→Hydraulic test (flaw detection)→Mark→In storage.
2021-12--30
See more information 白箭头 黑箭头
A few days ago, the first batch of 330 spiral seam submerged arc welded pipes weighing 1,520 tons and worth 2.79 million US dollars produced by Jiangsu Tongyu Steel Pipe Group Co. Central Asia gas pipeline project under construction.
2011-02--26
See more information 白箭头 黑箭头
On the morning of July 28, 2013, all the supply and marketing company, finance department, human resources department and logistics staff of Tongyu Steel Pipe Group Co., Ltd. came to the company conference center to summarize the sales situation of the supply and marketing company in the first half of the year under the scorching sun.
2013-08--12
See more information 白箭头 黑箭头
At 9:30 am Eastern Time on the 8th (22:30 Beijing Time on the 8th), Yangzhou Yalian Steel Pipe Co., Ltd. opened trading on the Toronto Stock Exchange in Canada. This is the first company in our city to be successfully listed overseas.
2011-03--17
See more information 白箭头 黑箭头
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