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Corrugated steel pipe (CSP) has been used for more than 100 years in the critical storm sewer and culvert applications and was available only as a galvanized coated steel pipe for the first half of this period. With the addition of new material options over the past 50 years, including new high-performance coatings, CSP has increased its value and usefulness in providing extended service life over a broader range of environmental conditions. Roll forming machine manufacturer in china ▷ ▷ Don't forget to subscribe to us ◁◁ for subscribe us click this link !! ““ ““ we are the professional manufacturer for roll forming machine in China and we export roll forming machinery all over the world. If you need information about this topic you can CHECK our other video at these links: [ How to adjust roll forming machine ] ---▸ https://www.y
