Company
| 1973 | Preceding company was Lin Foundry, established Gison Machinery Co., Ltd. in Taichung, and manufacturer gears for auto and pneumatic parts. |
| 1977 | Changed business type from producing parts to Pneumatic tools. First company who manufactured 1" Heavy Duty Impact Wrench in Taiwan. |
| 1982 | First company who manufactured Pneumatic Angle Sander in Taiwan. |
| 1983 | First company who manufactured Pneumatic Angle Grinder in Taiwan. |
| 1985 | Began to promote tools using GP brand in Taiwan. |
| 1989 | First company who manufactured Pneumatic Chipping Hammer in Taiwan. |
| 1990 | First company who manufactured Pneumatic Pavement Breaker in Taiwan. |
| 1992 | Moved to Wu-Jih, Taichung Shien, re-newed production equipment and expanded production line. |
| 1993 | 43 items passed GS- TUV approval. |
| 1994 | Install AutoCAD 2D drawing software. |
| 1995 | According to European Market demand, accomplished Conformity of CE Declaration, Vibration and Sound Pressure testing for all items. |
| 1996 | First Manufacturer of Pneumatic Tools who achieved ISO-9002 certification. |
| 1997 | Install SolidWorks 3D drawing software. |
| 2000 | Developed and manufactured Pneumatic Waterfed Sanders. |
| 2001 | First Company who developed and manufactured Pneumatic Edge Milling Machine for stone industry in Taiwan. |
| 2002 | First Manufacturer of Pneumatic Tools who achieved ISO-9001/2000 certification in Taiwan. |
| 2003 | First Company who developed and manufactured Pneumatic inside/outside Edge Milling Maching in Taiwan. Developed and manufactured Air Random Orbital Sander with revolutionary design - No Spanners needed. |
| 2004 | GPW-510 Edge Milling Machine win * the 2004 Taiwan Symbol of Excellence (SOE). * the 11th (2004) Innovation Research Award. |
| 2005 | GPS-302 Series Air Random Orbital Sander win the 2005 Taiwan Symbol of Excellence (SOE). |
| 2006 | GPS-303 Series Air Random Orbital Sander win the 2006 Taiwan Symbol of Excellence (SOE). |
| 2008 | GPW-221/221L Wet Air Angle Sander/Polisher win the 2008 Taiwan Symbol of Excellence (SOE). |
