2012年11月28日，就中国最大的工程机械制造商三一集团起诉美国总统奥巴马一案，华盛顿地方法院举行了首场听证会。2012年7月25日，美国外国投资审查委员会发布禁令，要求三一集团关联公司罗尔斯停止在美一军事基地附近的风力发电项目。

On November 28, 2012,Is China's largest manufacturer of construction machinery sany group against President Obama a case,Washington, district court held the first hearing.On July 25, 2012,Review committee issued a ban on foreign investment in the United States,Requirements at trinity group affiliates rawls stop near a military base in the beauty of the wind power projects.

　　9月28日，奥巴马以威胁美国国家安全为由，签署总统令叫停罗尔斯公司的风电项目。10月1日，罗尔斯公司向法院递交诉状，认为奥巴马此举违宪，将奥巴马和美国外国投资委员会列为共同被告。在美国，政府以国家安全为由封杀中国企业已非个案，华为、中兴、三一集团……这些国内行业龙头近年来纷纷在“走出去”的过程中遇阻。三一集团表示，要把这场将美国政府推上被告席的诉讼进行到底。

On September 28,Obama to threat to U.S. national security grounds,Signed a presidential proclamation declaring its rawls wind power projects of the company.On October 1,,Rawls company submit a complaint to the court,Think Obama it unconstitutional,Will Obama and the committee on foreign investment in the United States as joint defendants.In the United States,Government banned Chinese enterprises, on grounds of national security has set up a file the case,huawei/zte/Sany group...The domestic industry leading in in succession in recent years"To go out"In the process of blocked.Sany group said,To push this to the United States government dock of litigation.

　　点评:面临经济危机的困境，对本国实行贸易保护政策，其实既损人又不利己。对因某些国家的贸易保护而利益受到损害的企业而言，依靠法律维护企业的合法权益无疑是应选择的途径。

Comment on: faced with the plight of the economic crisis,Implement the trade protection policy of their own,In fact both are wrong and not selfish.Because of some countries of the trade protection and damage the interests of the enterprise,Rely on legal safeguard the legitimate rights and interests of enterprises is undoubtedly should choose the way.