The Net Margin of Tanke Biosciences Corp (TNBI) is -0.74%.
Net Margin measures the percentage of net income derived from total revenue after all expenses. It signals how much actual profit a company retains from its sales.
| Date | Value |
|---|---|
| 2012-12-31 | -0.74% |
| 2011-12-31 | -13.16% |
| 2010-12-31 | 13.62% |