North America has been an important market for Chinese LED companies to export. The US market is the largest overseas market for Chinese companies, comparable to the whole of Europe. US imports of LED products in the country, China accounted for 70.50%, the amount of about 420 million US dollars, two-thirds of the US people have purchased household LED lighting products. January-February 2017, China's one-third of the LED bulb sold to the United States, is the largest proportion of all countries in the country.It is reported that since May 1, LED products need to do FDA certification (US Food and Drug Administration) to export. After the implementation of this rule, LED lights or will face a double "level" audit, which means that LED lights in addition to customs clearance in addition to the need, but also may need FDA release. It should be noted that this change only involves the LED light itself, does not involve the use of LED lights of the goods (such as without the LED lights themselves).