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Hand dumping (opening) clamshell grab is an efficient tool for loading and unloading sands, coal, mineral powder and bulk chemical fertilizer.
The mechanical structure for opening & closing is succinct and original. It is easy to use and especially works for the crane which has one hoisting drum.
Hand dumping (opening) clamshell grab
Shanghai Guanbo Machinery Equipment Co., Ltd
container spreader;grab bucket;deck crane;hopper
