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West of the Credit Cooperative in Bobei Village, Gaozhai Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province
Raw materials need to go through steel coils, acid pickling, rolling, annealing, and slitting to obtain finished steel strips of the corresponding scale. Steel coils are divided into hot-rolled and cold-rolled materials, and rolling is further divided into rough rolling and precision rolling.
Elliptical tubes are generally extruded into the shape of duck eggs based on circular tubes. Elliptical tubes are divided into regular ellipses and flat ellipses. Regular ellipses refer to duck egg shapes with symmetrical curvature, while flat ellipses refer to two long faces parallel to straight lines and two short faces forming a circular arc shape. It is mainly widely used in industrial transportation pipelines and mechanical structural components such as petroleum, chemical, diagnosis and treatment, food, light industry, mechanical instruments, etc.