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The high frequency pipe mill is also called ERW pipe mill. Our products technology of full automatic FFX HFW production line and multifunction 250mm 500mm directly formed square pipe line are among the highest in the industry. Technical ProcessModel ListPreparation section:Mild Steel Square Pipe Weight Formula Factory, Suppliers Mild Steel Square Pipe Weight Formula Manufacturers, Factory, Suppliers From China, Our products enjoy good popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

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