REGISTRATION OF OIL-SPILL PREVENTION(AUTHORIZED BY ULSAN CUSTOMS)
REGISTRATION OF OIL-SPILL PREVENTION(AUTHORIZED BY ULSAN COAST GUARD)
REGISTRATION OF SALVAGE(AUTHORIZED BY ULSAN CUSTOMS)
REGISTRATION OF PORT ENVIRONMENT CONTROL(AUTHORIZED BY ULSAN CUSTOMS)
CERTIFICATE OF REGISTRATION FOR OIL HOLD CLEANING BUSINESS(AUTHORIZED BY ULSAN COAST GUARD)
REGISTRATION OF DISINFECTION&FUMIGATION (AUTHORIZED BY ULSAN CUSTOMS)
BUSINESS LICENSE OF ‘BLUE ENTEC’
BUSINESS LICENSE OF ‘BLUE KOREA’