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About product and suppliers:
        Alibaba.com offers 138 iphone 4 base case products. About 25% of these are mobile phone bags & cases. 

A wide variety of iphone 4 base case options are available to you, such as silicon, leather, and plastic. You can also choose from free samples. 

There are 138 iphone 4 base case suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 90%, 8%, and 1% of iphone 4 base case respectively. 

Iphone 4 base case products are most popular in North America, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 61 with Other, 23 with ISO14001, and 21 with ISO9001 certification.