Looking back on the past 2016, it is the crucial year for the structural reform of the supply si...
Spiral welded pipe into the steel unit, multi-channel roll rolling strip gradually r...
The state council information office will held a press conference reference of leading th...
Automatic submerged arc welding was invented in 1940, a new kind of welded pipe metho...
Piling pipe is also known as pipe, welded steel pipe made of steel sheet or strip after ...
Large-diameter welded pipe is the pipe welds, raw materials are mainly steel ...
The American Petroleum Institute specification API 5L steel pipe covers seamles...
(1) the superior quality of billet High frequency welded pipe steel billet an...
Real economy problem widely concerned recently, "heavy light virtual reality", "take off the re...
This quotation is just for your reference,more details welcome to contact with us by sales...
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