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weifang kehai chitosan co.,ltd

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chitin chitosan
Specification: index of you need
Detail: Chitosan Chitosan is a kind of natural amino amylose polymer distilled from crab shells in the deep ocean of Alaska. It is the most precious natural resource and has the good name of the sixth life element of human body. ...


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weifang kehai chitosan co.,ltd All Products >> »¯¹¤Éú²ú

weifang kehai chitosan co.,ltd

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