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About product and suppliers:
        Alibaba.com offers 977 com to usb adapter products. About 3% of these are charger, 1% are adapters, and 1% are mobile phone adapters. 

A wide variety of com to usb adapter options are available to you, such as free samples, paid samples. 

There are 927 com to usb adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 96%, 2%, and 1% of com to usb adapter respectively. 

Com to usb adapter products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 196 with ISO9001, 110 with Other, and 15 with ISO14001 certification.