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About product and suppliers:
        Alibaba.com offers 126,806 7a human hair products. About 87% of these are hair extension, 8% are wigs, and 1% are other artificial hair. 

A wide variety of 7a human hair options are available to you, such as free samples, paid samples. 

There are 126,758 7a human hair suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 92%, 5%, and 2% of 7a human hair respectively. 

a human hair products are most popular in North America, Africa, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 11,850 with Other, 4,836 with ISO9001, and 1,446 with ISO14001 certification.