ERW steel pipe welding process is the use of the skin effect of high frequency current generate...
Spiral welded steel pipe defect prone areas have porosity, thermal cracking, and undercut. Spi...
Look back over past 2016,though China’s foreign trade growth fell,structure optimization,benefits of...
Although China's manufacturing is affected by the marketing, irrational structure in some areas...
This quotation is just for your reference,more details welcome to contact with us by sal...
At present China economy is slow in stabilization, steady for the better.Supply side structural refo...
“It is critically important that we accurately understand the relationship between foreign trade gro...
Straight seam welded pipe Straight seam welded pipe is made of steel plate or steel s...
Welded steel pipe is also called welded pipe , and it is made of steel plate or steel strip aft...
Spiral steel pipe is not stainless steel tube, not the alloy steel pipe, time is long, th...
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