Our History
About us > Our History  
2010,06.12~06.15   Karak attended a exhibition and launched a flagship U-SOTEC
                                    and PRODIGI at KOBA show.

2010. 02.03  Extended the contract
                        of exclusive sales agent in Korea for the products
                        from Craaft Audio Gmbh

2009. 12.20  Awarded as an Excellent CEO
                        (Mr. B.H. Chang /President) by the Minister of
                        Business Administration of Korean Government

2009. 07.23  Set up the U-SOTEC system in Seoul National University

2009. 04.07  Concluded the contract of exclusive sales agent in Korea
                       for the products from Craaft Audio Gmbh in Germany
                       Korea Institute of Science and Technology Information

2008.12.29  Acquired Safety certificate for amplifier NA65 of U-SOTEC

2008.07.11  Registered "DIPANOS" trade mark

2008.04.22  Patent for "Digital PA system” based on the network

2008.04.04  Registered "U-SOTEC" trade mark

2007.10.17  Acquired Safety certificate for AMP NANTA 500, 1000

2007.09.27  Appointed as "Venture Business"

2007.07.13  Registered design for "Cover of Ceiling Speaker"

2007.07.13  Registered design for "Ceiling Speaker Box"

2007.03.06  Awarded as a sincere tax payer by the Superintendent of
                       Bucheon Tax Office (B.H. Chang/President)

2007.01.02  Patent for "Illegal Trespass Sense System and the Method"