| Date | Contents | 
               
                 | 1994 | Establish Bulim hydraulic machinery co.  | 
               
                 | 1995 | Develop Excavator cylinder test m/c  | 
               
                 | 1995 | Develop Excavator rotary joint test m/c | 
               
                 | 1998 | Develop Excavator cylinder endurance test m/c | 
               
                 | 2000 | Develop Excavator pump regulator test m/c | 
               
                 | 2000 | Develop Excavator Travel motor test m/c | 
               
                 | 2001 | Develop Automobile rack tube forming m/c | 
               
                 | 2002 | Develop Fork lift cylinder test m/c | 
               
                 | 2003 | Develop 420K cylinder test m/c | 
               
                 | 2004 | Develop Automobile rack tube punch m/c | 
               
                 | 2004 | Develop Agriculture machine valve test m/c | 
               
                 | 2005 | Develop Excavator cylinder rod assembly m/c | 
               
                 | 2006 | Develop Excavator cylinder simulation test m/c  | 
               
                 | 2006 | Develop Seal endurance test m/c | 
               
                 | 2007 | Develop  Bush endurance test m/c | 
               
                 | 2008 | Develop Extra-large hydraulic cylinder test m/c | 
               
                 | 2009 | Develop cylinder assembly machine | 
               
                 | 2009 | Develop Excavator  Valve test machine | 
               
                 | 2010 | Develop mass production cushion test  | 
               
                 | 2011 | Develop mass production stroke test | 
               
                 | 2012 | Develop mass production leak quantity test | 
               
                 | 2012 | Establish Bulim Automation co ltd | 
               
                 | 2013 | Develop Hose Impulse test m/c | 
               
                 | 2014 | Acquire patent of cylinder cushion measuring device and method  | 
               
                 | 2014 | Develop cylinder simulator test device  | 
               
                 | 2015 | Acquire patent of cylinder cushion performance and stroke measuring device and method  | 
               
                 | 2015 | Develop Hydraulic Press Power Unit  | 
               
                 | 2016 | Acquire patent of cylinder inner leakage measuring device and method  |