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About product and suppliers:
        Alibaba.com offers 1,489 duo mobile phones products. About 32% of these are mobile phone bags & cases, 14% are charger, and 5% are earphone & headphone. 

A wide variety of duo mobile phones options are available to you, such as samsung, apple iphones, and huawei. You can also choose from free samples, paid samples. 

There are 1,489 duo mobile phones suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of duo mobile phones respectively. 

Duo mobile phones products are most popular in North America, South America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 88 with Other, 87 with ISO9001, and 19 with ISO14001 certification.