|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).