| 1972 |
HeChang enterprise company was found by Chairman Mr.WU Capital of NT$30,000. |
| 1974 |
Renamed WanZong company. Capital of NT$30,000. |
| 1978 |
Renamed JieQing enterprise corporation. Increased capital to NT3,000,000 and expand to 600
square feet. |
| 1991 |
Increased capital and fully automated mechanical systems. |
| 1994 |
Responsible for own products and recycled department carried out for expansion. |
| 2004 |
Obtain EPA certification. ROC Styrofoam recycling association designated recycling vendors. |
| 2010 |
Waste treatment department carried out for expansion. |
| 2014 |
Stop production of EPS foam. |
| 2015 |
Relocation on Renwu and Ziguan Dist. |