Mar  2005    Utility Model Registration (No.0379271)
Feb  2005     Utility Model Registration (No.0376368)

Dec  2004    Acquired  ISO9001-2001

Oct   2003    Apply for a PCT (Worldwide Patent)           
                         (EU, US, CHINA, JAPAN, NORWAY)
Aug  2003    PAT . NO. JP3464201
Jul    2003   Utility Model Registration (No.0330267)

Aug  2001   Utility Model Registration (No.0282021)
Jul    2001   Utility Model Registration (No.0235852)
Jan   2001   Utility Model Registration (No.0217501)

Nov   2000  Utility Model Registration  (No.0211356)
Oct   2000   Practical New design applied for the Power Drum
Oct   2000   Company Name changed to GUMJOO Mariner Corporation May  2000   Utility Model Registration (No.0189437)
Mar  2000   Utility Model Registration (No.0189436)

Sep  1998   Established GUMJOO Jongkong Co.,Ltd.