The Gross Margin of Zhaoheng Hydropower Co Ltd (ZHYLF) is 74.24%.
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 |
|---|---|
| 2010-12-31 | 74.24% |
| 2009-12-31 | 74.24% |