Sumitomo is a construction machinery manufacturer under the Sumitomo Group. It is one of the oldest business groups in Japan with a history of more than 400 years and enjoys a high reputation in the world. After developing the first hydraulic excavator with its own technology in 1967, Sumitomo hydraulic excavators were active all over the world. In particular, the "LEGEST" new hydraulic excavator is the crystallization of 38 years of experience and technology of Sumitomo, and the opinions of customers from Europe, the United States, China, Japan and other countries around the world. It is developed in combination with the requirements of energy saving and environmental protection issues that are concerned by the world. The fuel consumption rate has been improved and is highly evaluated by the industry.