| May-21 |
 |
Company established in Nagoya-city by Denjiro Hayashi. |
| Jan-25 |
Moved to 40,IKEUCHI-CHO,ATUTA-KU,NAGOYA-CITY |
| Feb-45 |
Evacuated to the suburbs, war ended. |
| Jan-48 |
Moved back to 40 IKEUCHI-CHO, ATSUTA-KU, NAGOYA-CITY, company rebuilt. |
| Aug-50 |
Reorganized to a corporation (capital 0.05million JPY). |
| Nov-51 |
The first president Denrijiro Hayashi passed away, Takeo Hayashi inaugurated as second president. |
| Jun-71 |
Second president Takeo Hayashi passed away, Sonoko Hayashi inaugurated as third president. |
| Jun-75 |
สปริงลาน forming machine (import machine) started to operate. |
| Apr-81 |
Original wire rod bending machine started to opreate. |
| Oct-82 |
Third president Sonoko Hayashi inaugurated as chairman, Sinichiro Hayashi inaugurated as forth president. |
| Mar-83 |
Numerical control สปริงลาน forming machine (self-developed) started to operate. |
| Mar-84 |
NC wire rod bending machine started to operate (self-developed, a new design for practical use） |
| Dec-90 |
New factory HIRATA completed at Katsuga, Hirata-cho, Kaizu-city, GIFU |
| Jun-91 |
HIRATA factory completed and started the business |
| Jun-92 |
Auto pipe tip bending machine started to operate. |
| Sep-93 |
HIRATA factory second construction completed. |
| Nov-97 |
Hayashi Spring (suzhou)CO., LTD. established |
| Jul-98 |
Suzhou M.L wire rope CO., LTD. established |
| Jul-99 |
Manufacture departments unified in HIRATA factory. |
| Mar-01 |
High-speed สปริงลาน forming machine started to opreate. |
| Apr-01 |
ISO9001 approved. |
| Oct-02 |
ISO9002 approved |
| Dec-02 |
High-speed pipe bending machine started to operate. |
| Jun-03 |
Awarded a prize of TPM challenge |
| Aug-03 |
MASAHIRO HAYASHI inaugurated as fifth president. |
| Nov-03 |
ISO 14001 approved. |
| Sep-04 |
Increased the capital to 50million JY |
| Apr-05 |
No2 & No3 High speed สปริงลาน forming machines started to operate. |
| Mar-06 |
The large-scale high-speed pipe bending machine started to operate. |
