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About product and suppliers:
        Alibaba.com offers 13,404 gw 2 products. About 2% of these are animal pharmaceuticals, 1% are vitamins, amino acids and coenzymes, and 1% are blood system agents. 

A wide variety of gw 2 options are available to you, such as vitamins, amino acids and coenzymes, auxiliaries and other medicinal chemicals, and endocrine system agents. You can also choose from food grade, medicine grade, and cosmetic grade. As well as from free samples, paid samples. 

There are 13,404 gw 2 suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of gw 2 respectively. 

Gw 2 products are most popular in North America, Eastern Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,280 with ISO9001, 1,454 with Other, and 178 with BRC certification.
        
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