Low cost and high efficiency, from the past single advertising model into a multi screen display of the advertising model, greatly reducing the cost of Ji 'nan light box production.

低成本高效益，由过去的单一广告模式变为多画面同时展示的广告模式，大降低了济南灯箱制作成本。

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By adjusting relative position between rotation center of two eccentricity masses and mass center of screen box, high efficiency and power saving vibration screen is able to work out.

通过调整两偏心块回转中心与筛箱质心间的相对位置，能够设计出高效、节能的振动筛。

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