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Tianjin Rui Tong Steel Co., Ltd. is a large-scale steel manufacturer specializing in the production and operation of straight welded pipe, spiral welded pipe, precision pipe, galvanized steel pipe and prestressing steel strand.

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Hot dip galvanized welded pipe


   Hot-dip galvanized pipe is to make molten metal react with iron matrix to produce alloy layer, so that the matrix and coating can be combined. Hot-dip galvanizing is a process of pickling steel pipes. In order to remove the iron oxide on the surface of steel pipes, after pickling, the pipes are cleaned through ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent into the hot-dip galvanizing tank. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.




Manager telephone022-28899403


Strip telephone022-28897079


Straight line telephone022-28897187 022-28899671


Stranded telephone022-28899678 022-28891659


Spiral telephone022-68589404 022-28899404 022-68576867


Pons telephone022-28870709


Fax telephone022-68589404


Websitewww.birdingtrek.com


First factory addressNo. 14 Zhenhai River Channel, Daqiuzhuang, Tianjin


Second factory addressNo. 1 Jinhai Industrial Park, Daqiuzhuang Town, Tianjin



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