long life service of ERW steel pipe
Q: What would we care about except the quality of ERW steel pipe?
A: Long service life would be an important factor for a kind of ERW steel pipe when it applied in engineering project as this means saving money to fix it and change it.
http://www.threewaysteel.com/newsshow/Ladder-made-by-steel-p...
A: Long service life would be an important factor for a kind of ERW steel pipe when it applied in engineering project as this means saving money to fix it and change it.
http://www.threewaysteel.com/newsshow/Ladder-made-by-steel-p...
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