Hot-rolled steel pipe used in Germany is the technology of advanced manufacturing equipment and eddy current testing equipment; the removal of U.S. imports within Burr Trail Lengsu and process equipment to ensure smooth and bright and clean wall without injury and re-weld processing; the most advanced automated high-temperature gas Annealing furnace, annealing temperature of 1000 ℃, the total elimination of steel pipe manufacturing process of internal stress; the most advanced anti-roll tube necking and equipment; hydraulic test procedures be changed to 100% of the hydrostatic pressure of conventional processes, not low pressure 60 kg of product quality to ensure clearance. Well-equipped chemical laboratory, physics laboratory, the universal testing machine, Rockwell hardness tester, and other high-end inspection equipment, as a reliable guarantee to improve product quality.

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