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About product and suppliers:
        Alibaba.com offers 3,825 value chain products. About 2% of these are silver jewelry, 1% are necklaces, and 1% are gold jewelry. 

A wide variety of value chain options are available to you, such as stainless steel, metal, and plastic. You can also choose from welded chain, top chain. As well as from leaf chain, carabiner keychain. And whether value chain is standard, or nonstandard. 

There are 3,791 value chain suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and South Korea, which supply 97%, 2%, and 1% of value chain respectively. 

Value chain products are most popular in North America, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 976 with Other, 146 with ISO9001, and 30 with ISO14001 certification.