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About product and suppliers:
        Alibaba.com offers 1,933 virgin off grade products. About 10% of these are hair extension, 1% are vitamins, amino acids and coenzymes, and 1% are auxiliaries and other medicinal chemicals. 

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

There are 1,933 virgin off grade suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of virgin off grade respectively. 

Virgin off grade products are most popular in South America, Africa, and North America. 

You can ensure product safety by selecting from certified suppliers, including 258 with ISO9001, 64 with Other, and 13 with ISO14001 certification.
        
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