We have the ability to detect the whole process. We can fully guarantee the high quality of the products.

    80t electric arc furnace smelting→ LF refining → VD vacuum degassing treatment→4 machine 4 strand machine→ slow cooling pit slow cooling → rolling →fine grinding → straightening → heat treatment→ machining→inspection→ packaging → warehousing.

    Dalipal Company is one of China's most famous enterprises professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.

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