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Jiangsu 4220 spiral welded pipe machine group is being installed with full effort

25 Jun,2025


At the 4220 spiral welded pipe mill project site, the technical team and construction crew work closely together, continuously optimizing the installation plan to ensure that the unit can be put into operation efficiently and safely, injecting new impetus into the economic development of Jiangsu and even the whole country. At this moment, every drop of sweat is laying the foundation for future glory. The full-scale installation of the 4220 spiral welded pipe mill is not only a contest of technology, but also a vivid interpretation of the strength of "Made in China."

As the core equipment for large-scale steel pipe manufacturing, this unit has reached the leading level in the industry in terms of scale and technical content, indicating another leap in China's steel pipe production capacity. Workers, wearing safety equipment, perform their respective duties, shuttling busily among the precise mechanical components. Every tightened bolt and every laid cable embodies their pursuit of quality and craftsmanship. With the continuous advancement of the installation progress, this behemoth gradually reveals its tremendous production potential, indicating that it will provide strong support for infrastructure construction, oil and gas transportation, and other fields.

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Spiral welded pipe unit | steel pipe flat head chamfering machine | steel pipe hydraulic testing machine | steel pipe end expanding machine | large diameter longitudinal welded pipe machine | auxiliary equipment for steel pipe transfer finishing area

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