| 2010 | The company was formally established. |
|---|
| 2011 | Obtained a high-tech enterprise. |
|---|
| 2012 | Passed the ISO9001/2000 certification system. |
|---|
| 2013 | Launched the fresh air series of energy-saving products. |
|---|
| 2014 | The company passed the three-standard integrated certification and established the Ministry of Foreign Trade. |
|---|
| 2015 | Layout the field of smart meters for the Internet of Things Obtained CMC Metrology License. |
|---|
| 2016 | Obtained CMC Metrology License. |
|---|
| 2017 | Established Contract Energy Management Department |
|---|
| 2018 | Obtained Level 3 Qualification for Mechanical and Electrical Installation. |
|---|
| 2019 | Obtained Class D qualification for refrigeration and air-conditioning maintenance. |
|---|
| 2020 | Start the construction of a new production base. |
|---|
| 2021 | The new cabinet air conditioner production base was put into use |
| 2022 | Become state-owned enterprise |
| 2023 | Annual sales exceed 100 million RMB |