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About product and suppliers:
        Alibaba.com offers 176 maximum purity products. About 1% of these are antibiotic and antimicrobial agents. 

A wide variety of maximum purity options are available to you, such as medicine grade, food grade, and agriculture grade. You can also choose from free samples. 

There are 176 maximum purity suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of maximum purity respectively. 

Maximum purity products are most popular in Domestic Market, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 32 with ISO9001, 15 with Other, and 3 with ISO14001 certification.