The Gross Margin of China Eco-Materials Group Co Ltd (ZGHB) is 35.47%.
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 | 
|---|---|
| 2019-02-28 | 35.47% | 
| 2018-02-28 | 27.75% |