The Gross Margin of Hanyuan Biotech International Inc (TNPH) is 68.54%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2007-12-31 | 68.54% |
| 2006-12-31 | 64.90% |
| 2005-12-31 | 63.86% |