About product and suppliers:
            28,503 used powders products are offered for sale by suppliers on Alibaba.com, of which animal pharmaceuticals accounts for 1%, auxiliaries and other medicinal chemicals accounts for 1%, and vitamins, amino acids and coenzymes accounts for 1%. 

A wide variety of used powders options are available to you, such as medicine grade, cosmetic grade, and food grade. You can also choose from animal pharmaceuticals used powders, as well as from auxiliaries and other medicinal chemicals, vitamins, amino acids and coenzymes, and herbal extract used powders, and whether used powders is bottle, drum, or vacuum packed. 

There are 27,768 suppliers who sells used powders on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of used powders supply is 1%, 97%, and 1% respectively.