On April 23,German star magazine reported, German machinery equipment manufacturers association (VDMA) announced in the newly opened Hanover Industrial Fair on April 22, China has become the largest German machinery equipment manufacturing sales market, in 2011,the total sales of this industry in China up to Euro19 billion.

According to Hanover Industrial Fair organizer revealed that China is the partner of this fair, and there are total of 460 Chinese enterprises exhibitors, this is also the largest Industrie Expo that China joined in the overseas.On April 22,the Chinese premier Wen jiabao and German chancellor Angela merkel unveiled the opening ceremony of the Hanover Industrial Fair together. Hanover Industrial Fair is the world's largest Industrie Expo,there are 5000 machinery manufacturing and electronic technology industry enterprises from 69 countries joined the fair.