Jiangsu BADA Heavy publicity Branch is responsible for Yangzeng Jiang, only to produce a prototype off the assembly line in January of this year, is the world's largest tonnage rescue robot with a total tonnage of 32 tons. The robot mimics the collaboration principle of human arms, arms separate operations, switch to a different machine tools to complete a variety of rescue is truly a "relief artifact. Because of its shape resembles a lobster, dubbed the "crayfish".