On March 7, American local time, the Las Vegas International Construction Machinery Exhibition opened with a splendid appearance of China Construction Machinery Brand Group. A press conference was held under the auspices of the China Chamber of Commerce for the Import and Export of Mechanical and Electrical Products by 18 main engine manufacturers and dozens of supporting manufacturers of construction machinery in China. China Construction Machinery Association, American Manufacturing Association, Agent Association and many leaders of host factories attended the conference. Counsellor Yang of the Chinese Consulate General in San Francisco gave high support. Xinhua News Agency, People's Daily and related overseas media covered the whole process. The conference has witnessed the development of infrastructure construction and manufacturing in the whole area and the whole world. China's construction machinery manufacturing has become an important force in the Americas and even the world economy.