The Gross Margin of Vinh Railway Signalling Telecom JSC (TTV.VN) is 7.82%.
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 |
|---|---|
| 2018-12-31 | 7.82% |
| 2017-12-31 | 8.14% |
| 2016-12-31 | 12.12% |