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About product and suppliers:
        Alibaba.com offers 435,647 card usb products. About 9% of these are usb flash drives, 1% are data cables, and 1% are computer cables & connectors. 

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

There are 433,280 card usb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 99%, 1%, and 1% of card usb respectively. 

Card usb products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 68,429 with ISO9001, 48,344 with Other, and 16,154 with ISO14001 certification.