The lengthened two arm and three arm dual power full hydraulic steel grab independently developed by Bada Heavy Industry  , which is mainly used for the loading and unloading of irregular bulk materials such as scrap, garbage and stones. It is suitable for steel plants, docks, garbage incineration, transit and other occasions, especially to increase the effective storage capacity of the stacking site, so that customers can fully save the site area, long-distance ship unloading, etc. It is designed with automatic elevating and fixed elevating cabs to expand the operator's vision and improve the loading and unloading efficiency!