On May 12, the much-anticipated third Changsha International Construction Machinery Exhibition opened. More than 1,500 Chinese and foreign enterprises participated in the exhibition, and new products, new technologies and new experiences appeared first. By 5:00 PM on May 12th, the third Changsha International Construction Machinery Exhibition exceeded 111892 on the first day, unprecedented. As a digital all-media matrix platform integrated into the automotive engineering machinery gene, China Construction Machinery Information Network (www.6300.net) & China Lubricant Information Network (sinolub.com) & China tire business network (www.tirechina. Net) sent professional media teams to participate with the platform matrix.