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About product and suppliers:
        Alibaba.com offers 5,603 cardboard usb products. About 5% of these are usb flash drives, 1% are computer cables & connectors, and 1% are mobile phone cables. 

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

There are 5,603 cardboard usb suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cardboard usb respectively. 

Cardboard usb products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,225 with ISO9001, 665 with Other, and 125 with ISO14001 certification.