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About product and suppliers:
        Alibaba.com offers 1,215 4g back case products. About 40% of these are mobile phone bags & cases. 

A wide variety of 4g back case options are available to you, such as apple iphones, samsung, and xiaomi. You can also choose from plastic, pu, and leather. As well as from black, beige, and blue. And whether 4g back case is free samples, or paid samples. 

There are 1,215 4g back case suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 4g back case respectively. 

g back case products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 404 with ISO9001, 46 with Other, and 33 with ISO14001 certification.