Why is Dolco's ring roller the first choice for customers in the Middle East
In recent years, ring rolling machines have garnered significant attention and appreciation from clients in the Middle East.
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In recent years, ring rolling machines have garnered significant attention and appreciation from clients in the Middle East.
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The spiral welded pipe production line and straight seam welded pipe production line are standard and standardized units developed and improved by Doleco Heavy Industries based on absorbing the essence of foreign forming technology and combining with domestic practical conditions. They are the most competitive and technologically distinctive mature units of Doleco Heavy Industries.
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ERW (Electric Resistance Welded) and LSAW (Longitudinally Submerged Arc Welded) are both types of straight seam welded pipes. Their main difference lies in the welding process.
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The hydraulic test of the spiral steel pipe during the construction is a comprehensive inspection of the quality of the pipe, the joint, and the construction I. It is also an indispensable key test item before the project acceptance.
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spiral steel pipe equipment manufacturer, high quality spiral steel pipe
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spiral steel tube, spiral tube production equipment
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