The main dam of Qingfengling reservoir is designed as core shell sand dam, and some problems caused by construction material exist here.

青峰岭水库主坝为宽心墙砂壳坝，存在着由于筑坝材料引起的坝体质量问题。

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Also in the material promotion transporting, the elevator installment, the billboard installment, the ships builds suitably, large-scale project and so on shell of tank, bridge, dam, chimney works.

也可适用于物料提升搬运、电梯安装，广告牌安装，船舶修造，大型罐体、桥梁、水坝、烟囱等工程的作业。

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