WELCOME TO ZHEJIANG GUANYU STEEL TUBE CO.,LTD WEBSITE!
  • SEAMLESS U TUBE

    the tubes are high thermal conductivity and good isothermal properties

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  • SEAMLESS STEEL TUBE

    the seamless steel tubes with specifications
     of OD:6-426mm,Thk:0.5-36mm

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  • SEAMLESS CORRUGATED TUBE

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Zhejiang Guanyu Steel Tube Co., Ltd. is a large stainless steel pipe factory. Our company is located in Songyang Zhejiang stainless steel industrial park. Our production area covers an area of about 50 mu, and the workshop area is more than 15000 square meters...

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The pace of coal and steel production has accelerated

The pace of coal and steel production has acceleratedThe pace of coal and steel production has accelerated The pace of coal and stainless steel tube production has accelerated

Basic knowledge of steel

Ferrous metals, steels and nonferrous metals Before introducing the classification of steel, a brief introduction to the basic concepts of ferrous metals, steels and nonferrous metals is given. 1. F

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