επίσκεψη πελατών φωτογραφίες -. Shangh TOP STEEL CO, LTD

86-21-68415567

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

The Derusting Method of ERW Steel...
In the oil and gas pipeline corrosion in the construction process, DSAW steel pipe anti-corrosion surface treatment is to determine the life of one of the key factors, it is ERW steel pipe coating with the premise of whether the combined firm. The study of professional organiz...
Difference between Seamless Stain...
There are some customer don’t know how to distinguish the seamless stainless steel pipe and ERW stainless steel pipe. Today, Great Steel Pipe will discuss about differences between seamless stainless pipe and ERW stainless steel pipe. What is the raw material required fo...
The Advantages of Carbon Steel Pipe
We all know that steel is two elements mixed together: iron and carbon, and the more carbon there is contained in the steel, the stronger it gets when heated. Carbon steel pipe is a steel alloy that contains carbon ranging from 0.12% all the way to 2%. The percentage of alloy...
Pipe Welding Proced
Under the welded pipe from the top of the arc, from top to bottom all-position welding technique, the method of welding speed, weld appearance, good welding quality. you can save welding materials, reduce labor intensity, which is a common SMAW can not be compared and now more...
Advantages of LSAW steel pipe
LSAW in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production. A wide range of the finished product specifications, weld toughness, ductility, uniformity and de...

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