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info@topsteelpipe.com

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SHANGHAI TOP STEEL CO., LTD.
Phone: 86-21-68415567
Phone: 86-21-68415587
E-mail: info@topsteelpipe.com
Fax: 86-21-68415587-8002

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Τελευταία Νέα

In October, China imported 25.685...
According to data released by the General Administration of Customs on November 8, China imported 25.685 million tons of coal in October, an increase of 2.606 million tons, an increase of 11.29%; a decrease of 4.603 million tons, down 15.20%. From January to October, China imp...
ERW steel pipe and seamless steel...
1,the outer diameter of tolerance ERW steel pipe, is made of cold bending forming, by reducing 0.6% complete sizing, the basic technological process temperature constant at room temperature, and outside diameter control accuracy and small range, which is conducive to eliminate...
Corrosion of OCTG Pipe
OCTG corrosion situation of oil, casing, gathering pipeline and storage tank corrosion is mainly oil and gas well output, shallow water, such as injection fluid corrosion, the main media such as H2S, CO2, dissolved oxygen and SRB.Tend to drill the role of many of the media, in...
Difference between Hot Galvanized...
Hot galvanized is at a high temperature to melt the zinc in put some supplementary material, then dipped galvanizing bath metal structure so attached to a layer of zinc coating on the metal components. Hot galvanized has the advantage of his ant-corrosion ability, zinc coating...
2PP/3PP Anti-corrosion Coating St...
Three-layer PE/PP coating is characterized by excellent corrosion-proof performance, insulatibity, relatively long service life and mechanical damage resistance. It is widely used in coating for all kinds of major, pipeline engineering. 3PP preservation: PP three-tier structur...

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