| 2015. 12. 06 | Established Echo Co., Ltd. |
| 2016. 08. 04 | Confirm venture business |
| 2016. 09. | Establishment of affiliated research institute |
| 2016. 12. 08 | Developed Rechargeable Screed |
| 2017. 02. 17 | Factory registration |
| 2017. 02. 20 | Developed Rechargeable high-intensity vibrator |
| 2017. 03. 15 | Developed Rechargeable compactor |
| 2018. 10. 16 | Paticipation in Canton Fiar |