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  • Date: 2014-11-04Quality requirement of tube billet

    Qualified billet is a precondition for pipe production,not only for seamless steel pipe,or ssaw steel pipe,lsaw steel pipe,almost for all kinds of steel pipe.

  • Date: 2014-11-03Brief introduction of special oil tube

    Special oil tube is mainly used for transporting oil and gas and petroleum oil and gas well drilling . It includes oil drilling pipe, oil casing and tubing pumping.

  • Date: 2014-10-31Specific detections of spiral steel pipe

    To ensure the quality of spiral steel pipe, spiral steel pipe before delivery should be carried out with a number of strict quality testing.

  • Date: 2014-10-27Electroslag welding

    Electroslag welding includes the molten melt mouth,non-molten mouth, wire electroslag welding, plate electroslag welding.

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