Current label: Tangshan Juguan Wholesale Direct Sales
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Hot rolled rectangular tubes, continuous casting billets and blooming plates are used as raw materials, and then pass through the heating furnace, even when using high-pressure water to clean up phosphorus on the surface, and then use the roughing mill, on the rectangular tubes at the head and tail of the roughing mill, and then on the pipes, and then fed to the finishing mill for computer controlled fine rolling. After the square tube is cooled by laminar flow, it is rolled into a coiler and then curled. However, when heavy
