Changsha Zoomlion Heavy Industry Science and Technology Development Co. Ltd is mainly engaged in the research and manufacture of high technology equipment for key domestic infrastructure projects in the construction, energy and transportation sectors. The company's key products include production facilities for concrete, machinery for transportation construction, highway construction and maintenance machinery, construction and engineering lifting machinery, environmental sanitation machinery, metal cutting machine tools and satellite positioning electronics. The products are popular in the domestic market including Hong Kong and Macao and are exported to Southeast Asia, Australia, Africa, Europe and the US.