Sany group co., LTD., is China, the world's fifth largest construction machinery manufacturers, is also the world's largest manufacturer of concrete machinery. Sany group main business is "mechanical engineering" as the main body of the equipment manufacturing industry, leading products for concrete machinery, road construction machinery, mining machinery, pile driving machinery, lifting machinery, port machinery, wind power equipment such as whole series of products, including concrete machinery, mining machinery, pile driving machinery, crawler hoisting machinery, port machinery for China's first brand, fully replace imported concrete pump truck, and for many years production volume in the world the first;Mining machinery broke the pattern of long-term monopoly of foreign brands, realize China's market share first.