FIFA, 16 May (Xinhua)-- "New numbers, new materials, and new energy sources are shaping infinite possibilities for the new development of the construction machinery industry." Zhan Chunxin, chairman of Zoomlion, said. From May 12 to 15, the third Changsha International Construction Machinery Exhibition with the theme of "High-end, Intelligent and Green-New Generation Construction Machinery" was held. About 1500 enterprises at home and abroad and more than 20, 000 exhibits participated in the exhibition. "at present, the construction machinery industry is showing a new trend of internationalization, electrification and intelligence. although the construction machinery market has a certain periodicity, however, factors such as' machine replacement of labor', improvement of electric permeability, intelligent upgrading, and improvement of emission standards are becoming the new main driving force for the development of the industry." On May 15, a leading enterprise of construction machinery said. Relevant institutions predict that the permeability of electric construction machinery will increase rapidly in the next three years, reaching 30% to 40% by 2025, and the development prospect is very broad. (Shanghai Stock Exchange News)