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About product and suppliers:
        Alibaba.com offers 30,281 class powder products. About 4% of these are herbal extract, 1% are oxide, and 1% are food additives. 

A wide variety of class powder options are available to you, such as medicine grade, food grade, and industrial grade. You can also choose from bottle, bag. As well as from free samples, paid samples. 

There are 30,281 class powder suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of class powder respectively. 

Class powder products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 11,940 with ISO9001, 6,529 with ISO13485, and 4,302 with Other certification.