中国气瓶制造业在20世纪80年代以后取得了突飞猛进的发展,进入21世纪,中国将从气瓶制造大国向气瓶制造强国迈进。在实现气瓶制造强国的征途上,许多企业都认识到,产品出口离不开权威的国际认证或相关国家的政府许可。其中,美国联邦政府运输部(DOT)的许可对目标为国际性气瓶制造企业来说至关重 China’s cylinder manufacturing industry has made rapid development since the 1980s. In the 21st century, China will move from a major cylinder manufacturing country to a cylinder manufacturing powerhouse. On the journey of building a strong country for gas cylinder manufacturing, many companies recognize that exporting their products can not be achieved without authoritative international accreditation or government permission from the relevant countries. Among them, the United States federal government Department of Transportation (DOT) permission for the target for the international cylinder manufacturers are crucial