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About product and suppliers:
        Alibaba.com offers 189,559 usb adapter products. About 22% 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 travel. You can also choose from mobile phone, computer, and laptop. As well as from free samples, paid samples. 

There are 188,663 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 Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 46,281 with Other, 36,074 with ISO9001, and 5,305 with ISO14001 certification.