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About product and suppliers:
        Alibaba.com offers 125,361 3.1a products. About 8% of these are computer cables & connectors, 8% are charger, and 4% are car charger. 

A wide variety of 3.1a options are available to you, such as mobile phone, standard battery, and camera. You can also choose from electric, dc/ac inverters, and solar. As well as from free samples, paid samples. 

There are 124,688 3.1a suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 97%, 1%, and 1% of 3.1a respectively. 

.1a products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 31,884 with ISO9001, 17,956 with Other, and 4,844 with OHSAS18001 certification.