1969
Captain Sang-wook Cho has founded 'Ahjin Shipping Co., Ltd' with a 25 years old handy bulk vessel
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1970
The exhilarating 1970s
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1980
The turbulent 1980s
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1984
Shipping department of 12 companies including 'Ahjin Shipping Co., Ltd' have merged to establish 'Dooyang Line Co., Ltd'
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1985
Dooyang became one of 6 consolidated overseas shipping companies in Korea
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2001
'Dooyang Limited' was established for the purpose of sales diversification
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2023
'Dooyang Singapore Pte. Ltd' was established for the purpose of expanding chartering service
