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cogon@cogonag4.com

Chengdu Cogon Bio-tech Co., ltd is the good manufacturer for quality
herbal extract and natural ingredients in China.
Our main products are Astragaloside IV (extracted from Astragalus root),
Cycloastragenol, Paeoniflorin, 4'-hydroxy-3'methoxyIsoflavone-7-sug.
, etc.