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To watch the channel using the lift landing stage pressure control, it is necessary to pay attention to the use of landing stage when the use, if the use would endanger overloaded lift construction stage lifting channels. Today, there are a lot of different types of landing stage lift channels, lifting channel using the stage is not the same in the case, the landing stage has now become a mainstream product. Small landing stage, and its small size, light weight,simple presentation of useful, easy to move, time controlled lifting, carrying capacity, with outstanding stability.