| 1959 |
Company established and sales began as a forging company with facilities, machinery and equipment, surface processing equipment, and abrasive material (shot, grit). |
| 1960 |
New plant completed in Chiba prefecture and machinery production started. |
| 1966 |
LPG cylinder blast machine development and sales. |
| 1970 |
Abrasive media factory established in Tochigi prefecture. |
| 1979 |
Commenced the manufacture of forged steel shot and grit. |
| 1980 |
Company capital increased to JPY80 million. |
| 1985 |
Introduction of FA into factory production line. |
| 1991 |
Start joint development with the Railway Technical Research Institute for the injection system “Cerajet”. |
| 1992 |
Started development and sales of an automatic air blast machine series for the internal surfces of hydraulic bulbs. |
| 1993 |
Delivered blast machines for semiconductors (CPU metal skin). |
| 1997 |
Installed a pulverulence blast machine for electronic parts, PAM-700 *Function of automatic injection adjustment accommodated to abrasive materials of 5 to 3μm. |
| 1998 |
Installed the world’s largest blast test machine accommodating pulverulence. |
| 1999 |
Sum total of overseas deliveries rose above 500 units. |
| 2002 |
Introduction of the laser machine for (W)1500mm x (L)3000mm Have been approved by LRQA to ISO 9001:2000. |
| 2004 |
Development of PAM-300 and 400 series of the blasting machine which corresponds on the compact fines and also start of sale. |
| 2007 |
Blasting machine for peening was delivered more than total of 600 units. |