是适用于特种物料、特种工况需求的专用抓斗工具。主要的产品有：特重型水下疏浚抓斗；粮食、化肥密封防漏抓斗；螺旋筒内氧化铁皮专用抓斗；圆木专用抓斗；水上漂浮物及芦苇专用抓斗；专用夹具等。

Special type grab tool applicable for grabbing of special materials and special working conditions. Main products include heavy underwater dredging grab bucket, grain and chemical fertilizers grab bucket, grab buckets for iron scale, grab buckets for timbers, grab buckets for floating objects and reeds, special clamping devices and so on.