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Ritan Biotech Company Limited

Shanghai Shi 201206

We are manufacturer of natural astaxanthin, stevia leaf extract.

Our natural astaxanthin is from haematococcus pluvialis.It is used for food, feed, pharmaceutical,cosmetic etc.

Our stevia leaf extract is ethanolic extract. The extract products include stevia polyphenols, steviol glycosides, stevia instant drinking powder. The instant drinking contains steviol glycosides,stevia polyphenols. Our stevia leaf extract instant drinking has no delayed bitterness.


  • Ritan