Profile Mine support steel is a side steel support with the surface like the English letter " U" of the steel, sometimes appear before the side streets Japanese letter " r" shape. Mine support steel....
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Characteristic Mainly composed by a roof beams, two legs, four clamps , two bottom feet composition. Mainly used in mine tunnel, mine tunnel secondary support, as well as support through the....
Profile 29U shaped steel support is mainly used for mine tunnel, mine tunnel secondary support, as well as support through the mountain tunnel support purposes. 29U shaped steel support lift....