Introduction：

The Hannover Messe (English: Hanover Fair) is the world's biggest industrial fair. It is held on the Hanover fairground in Hanover, Germany. Typically, there are about 6,500 exhibitors and 250,000 visitors. Nowadays, the Hanover Fair covers all areas of industrial technology. It is first held in 1947 and has a history of 68 years. Now it is widely recognized as the most important platform for industrial design, manufacturing, technical application and international trade.