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    by the global financial crisis, china's economic growth slowed down, in order to stimulate the economy, the state starting in 2008 have been injected 4 trillion yuan investment, the people's bank of c……

    the use of maintenance 1. newly installed or overhauled after the installation of electric hoist, the first test run should be empty several times. but not installed before the test should n……

    lever hoist is a lightweight and easy manual traction machinery. it has a compact structure, small size, light weight, portable, and stable performance. its working principle is smoothed by ……

    when hanging a chain hoist load maintenance. however, on a regular basis point inspection, check the brakes, friction, except when the clutch or limit switches.electric chain hoist during the mai……

    before using the hoist should be checked:a. within walking distance of the operator and the weight should be no route through obstacles.b. hand control buttons from top to bottom, left and right direc……