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About product and suppliers:
        Alibaba.com offers 711 dual sim card adaptation products. About 27% of these are other mobile phone accessories, 1% are adapters, and 1% are mobile phone adapters. 

A wide variety of dual sim card adaptation options are available to you, such as voip gateway, wireless, and tablet pc. You can also choose from free samples, paid samples. 

There are 707 dual sim card adaptation suppliers, mainly located in Asia. The top supplying countries or regions are China, Hong Kong S.A.R., and United States, which supply 87%, 12%, and 1% of dual sim card adaptation respectively. 

Dual sim card adaptation products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 172 with ISO9001, 24 with ISO14001, and 12 with BSCI certification.