In the actual project work, different working environments demand different tools to deal with. However, machines in current market can not meet the above requirements. This excavator can change tools itself automatically and conveniently, it can do the works like excavation, chisel, drilling, crawling in mud. This flexible, compact, versatile excavator is more suitable for urban construction and maintenance of local area. Innovative in structure of the excavator made construction easier than before.

Zhao Yan borned in 1986，China. In 2012, She graduated from Luxun Academy of Fine Arts, and got a Master Degree in Industrial Design Department. In 2013, She became an assistant in Industrial Design Department, Luxun Academy of Fine Arts. Her main task is teaching basic design courses for undergraduate students, for example，modeling course, ergonomics, product semantics, etc. At the same time, she is a designer, her works achieved Reddot concept award 2011, IF IBDC design award 2013, Reddot concept award 2013, A'design award 2014.

The predecessor of Luxun Academy of Fine Arts (LAFA) was the Yanan-based Luxun Arts College (LAC) founded,in 1938,by the pioneering generation of Chinese Revolutionaries including Mao Zedong and Zhou Enlai.Now,LAFA has under its operation two campuses in the City of Shenyang and the City of Dalian respectively,it’s one of the eight most important Academy of Fine Arts in China.The Shenyang campus is home to 12 departments,inclulding the areas as arts、art design and humanities etc.LAFA has turned out,through the years,a great number of art talents,by it’s special modes.The students are welcomed both by the communities they serve and by the professional entities.