Xi'an Shew-E Steel Pipe Co.,Ltd is one of the leading st45 precision tube suppliers and also a famous such manufacturer, equipped with many professional st45 precision tube factories, welcome to purchase high quality st45 precision tube from our company.Standard: DIN2391Materials: St45Technical: cold-draw seamlessApplication: used in the hydraulic cylinder of the Heavy Machinery, Cranes, Excavator and Forklifts.Tolerance：
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