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About product and suppliers:
        Alibaba.com offers 222,933 usb adapter products. About 21% of these are charger, 5% are adapters, and 2% are laptop adapter. 

A wide variety of usb adapter options are available to you, such as electric, solar, and emergency / portable. You can also choose from mobile phone, laptop, and video game player. As well as from free samples, paid samples. 

There are 221,952 usb adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of usb adapter respectively. 

Usb adapter products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 53,010 with Other, 42,621 with ISO9001, and 6,026 with ISO14001 certification.