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        Welcome to the official website of Qingdao Dunjian Equipment Technology Co., Ltd.! Chinese  |  English
        Current position: Home > News
        •  Shield tail brush manufacturer tube piece automated asse [2019-5-14]
             Since the work in the field of panel assembly is generally carried out under heavy physical conditions in a narrow, dirty and dangerous space, automation is required in order to make the tunneling of large-diameter shields safe, rapid and to ensure the quality
        •  Shield machine application principle [2019-5-14]
             Tunnel Boring Machine: In China, it is customary to use the shield for the soft soil layer and the rock formation for the rock formation.Tunnel construction with shield machine has high automation, manpower saving, fast construction speed, one hole, no weather
        •  Protective measures for welding of aluminum products [2019-5-14]
             Aluminum products are welded in the form of point contact tools to reduce the contact area between the tool and the workpiece. If the tooling is in surface contact with the workpiece, it will quickly take away the heat of the workpiece and accelerate the solid
        •  Full face tunnel boring machine [2019-5-14]
             The Tunnel Boring Machine, or the hidden shield machine, abbreviated as TBM, is a large-scale machine specially used for tunneling. The machine has the characteristics of one tunnel excavation completed. The excavation, propulsion and propulsion are all comple
        •  Investigation and research on high life and low pollutio [2019-5-14]
             With the development of technology, the surface properties of materials are becoming more and more demanding. The rise of various vapor deposition technologies in recent decades has made the research and application of surface engineering technology a leaps an

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