| time | Event | Event |
|---|---|---|
| 1994 | Establishment |
Set up Changyi Precision Spring Co.,Ltd(address:No.18 Xinxing Street) |
| 1996 | Removal |
Move company(new address:Erjia Village Weizi Town Changyi City Shandong Province) |
| 2004 | Extension |
Expand new company(address:Erjia Village Weizi Town Changyi City Shandong Province) |
| 2007 | Development |
Set up Changyi Huayang Spring Co.,Ltd and start to produce compressed spring and extension spring |
| 2014 | Development | Set up Kunshan Jinhuayuan Spring Co.,Ltd |
