On December 7, 2012, Changchun deputy mayor Sun Yaming, together with Zhou Dedong, deputy secretary general of Changchun municipal government, Qu Guohui, director of municipal bureau for urban planning, Yu Chun, director of municipal environmental protection bureau, Han Zhibing, director of Environmental Sanitation Bureau and Li Jian, director of director of municipal construction commission, came to Suzhou factory to inspect 3D printing technology.
President Ma Yihe and other leaders have conducted all-round communication on the social benefits, application and security of building 3D printing technology to the construction industry.
Leaders have also made deep exchanges with the chairman in their respective fields.