The Gross Margin of Wowjoint Holdings Ltd (BWOWF) is 27.57%.
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 |
|---|---|
| 2013-12-31 | 27.57% |
| 2012-12-31 | 26.63% |
| 2011-12-31 | 24.84% |
| 2010-12-31 | 24.84% |
| 2009-12-31 | -263.49% |
| 2009-08-31 | 29.86% |