Certification
| PATENT NAME | PATENT NO. | REGISTERED DATE |
|---|---|---|
| Manufacturing method of additive composition for recycling recycled asphalt. | 10-1249968 | 2013. 03. 27. |
| Modified asphalt compositions and method of manufacturing. | 10-1239399 | 2013. 02. 26. |
| Manufacturing equipment of construction paving material. | 10-1320649 | 2013. 10. 15. |
| PATENT NAME | PATENT NO. | REGISTERED DATE |
|---|---|---|
| Drive system of construction aggregate screen. | 0375923 | 2005. 02. 02. |
| Construction aggregate screen. | 30-0599730 | 2011. 05. 17. |
