2000-11-30 Awarded a 5 million dollar export tower(Export Day, Presidential Award)
2000-05-05 Re-obtained NA, NPT STAMP and obtained an additional NS STAMP (ASME)
2000-04-21 Designated as a new constructing technology-eismic isolation device using a friction port supporter(Ministry of Construction and Transportation)
1999-12-22 Obtained a Gold Tower (Order of Industrial Service Merit) for Quality Management.
1999-10-14 Obtained a license for Constructing Expertise(Maintenance and Management of Buildings) from City of Seoul.
1999-03-25 Attracted 8 billion won for American Templeton Investment(Moogoonghwa Corporate Restructuring Fund)
1998-02-23 Designated as a Competent Small Business for Export(Small Business Corporation)
1998-02-23 Designated as a Competent Manufacturer and Exporter by the small and Mediu, Industry Promotion Corporation
1997-09-05 Obtained Presidential Award for Excellent Materials Developed in Korea
1997-08-27 Obtained KEPIC-MIN(nuclear power machine) Quality Certificate(Korea Electronics Association)
1997-04-25 Obtained NA, NPT STAMP Certificate(American Society of Mechanical Engineers, ASME)
1995-11-24 Obtained Presidential Award for Quality Management
1994-12-13 Obtained ISO 9001(KSA-QA, for all the items)
1994-11-25 Registered in an over-the-counter market of Korea Security Dealer¡¯s Association.
1993-02-22 Technical licence agreement with Keller Lufttechnik GmbH & Co. KG(Germany)for Dust Collector and Scrubber.
1992-11-20 Obtained Presidential Award for excellent KS Maker.
1987-07-01 Established Unison Research and Development Center.
1984-09-24 Established Unison Co., Ltd.