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About product and suppliers:
        Alibaba.com offers 323,468 cz products. About 30% of these are silver jewelry, 16% are earrings, and 7% are copper alloy jewelry. 

A wide variety of cz options are available to you, such as free samples, paid samples. 

There are 316,323 cz suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 89%, 5%, and 1% of cz respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 72,744 with Other, 14,284 with ISO9001, and 2,948 with ISO14001 certification.