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1990`s —
- 1996
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Attained Marine Cargo Transportation License
- 1994
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Attained Specialty Contractor License(Underwater Construction)
- 1993
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Attained In-Water Survey CertificateCERTIFICATES
ABS, BV, DNV GL, NK, LLOYD, KR)
- 1991
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Established Ulsan Salvage Co.