Dong Sung Pharmaceutical Company Ltd. established as pharmaceutical manufacturer and distributor. | 1957 |
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Dong Sung employees 20. | 1959 |
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Dong Sung begins manufacturing hair dyes under a license from Yamahatsu Industrial Company Ltd., Japan and becomes the most technologically advanced hair dye manufacturer in Korea. | 1968 |
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Dong Sung employees 150. | 1969 |
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Dong Sung begins manufacturing Hanosal, a sulfonamide derivative, for treatment of gonorrhea. | 1974 |
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Dong Sung's Board of Directors elects Founder Sun-Kyu Lee as Chairman and Suk-Kyu Lee as President. | 1977 |
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Dong Sung begins manufacturing “Wakamoto” digestive tablets through a licensing agreement with Wakamoto Pharm. Co. Ltd., Japan. | 1982 |
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Dong Sung establishes O'Leary Korea to develop cosmetic products. Dong Sung's Board of Directors elects Keung-Koo Lee as President. Dong Sung relocates to a new building in Non Hyun-Dong, Kang Nam, Seoul. | 1983 |
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Dong Sung begins manufacturing and distributing "Biokill" insecticides under license from Jesmond Biocides (Zurich) GmBH. Dong Sung becomes the first Korean manufacturer on inventing environmentally friendly, non-toxic insecticide. "Biokill" quickly becomes one of Korea's best-selling products. | 1989 |
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Dong Sung officially begins trading on the Korea Stock Exchange (KRX) under the name, Dong Sung Pharm., and is included in KOSPI, the Korean Composite Stock Price Index as one of Korea's top 100 companies. | 1990 |
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Dong Sung begins exporting its “Yang Qwi Bi” hair dye and “Cheong Ro Hwan” intestinal antiseptic OTC product for the treatment of severe diarrhea to most Asian countries and U.S.A. | 1992 |
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Dong Sung exports cosmetics and hair dyes to Singapore, Vietnam, China, Hong Kong, Malaysia, Papua New Guinea, and Latin America. Dong Sung sponsors Dong Sung handball and O'Leary badminton teams. O'Leary-sponsored Ms. Su-Hyun Bang wins the gold medal in the 1994 Los Angeles Olympic Games. | 1994 |
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New factory constructed at the city of Asan in the province of Chung Chong Nam-Do with an investment of 38 billion Korean Won (US $38 million). Central Research Laboratory opens its doors at the new facility | 1997 |
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Dong Sung organizes the Sun-Kyu Lee Pharmaceutical Award to invest company profits into Korean social and educational programs, and to encourage medical and pharmaceutical research. The first award is granted to Professors Seo Yung Joon and Seo Yung Ger of the College of Pharmacy, Seoul National University for their research of develping natural pain killers (analgesics). Chairman Sun-Kyu Lee publishes his memoir, “How to End Poverty.” | 1998 |
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Dong Sung's OTC "Cheong Ro Hwan" for the treatment of diarrhea becomes Korea 's top selling intestinal antiseptic. Dong Sung's Omar Sharif branded cosmetics become Korea's best-seller. Dong Sung's Seven Eight-branded hair dyes become Korean best-sellers with annual sales turn-over exceeding 24 billion Korean Won (US $24 million). Under license from QP Corporation, Japan, Dong Sung begins producing functional food "Chicorin" for the prevention of dementia. | 2000 |
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Yang-Gu Lee is inaugurated as the new president of Dong Sung. Dong Sung receives exclusive distribution rights from Germany's Plantina for Assalix, a natural analgesic. Dong Sung licenses certain hair dye technologies to Beijing's Xingyuan Bai Huo Pi Fa Co. | 2001 |
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Dong Sung changes the name of its cosmetics division to Lykea Cosmetics. Dong Sung moves its head office to Bang Hak-Dong, Korea. | 2002 |
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Dong Sung employees 500. | 2004 |
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Dong Sung signs strategic licensing deal with Bentley Pharmaceuticals U.S.A. to manufacture and distribute intranasal insulin spray for the South Korean market and possibly other territories. | 2005 |
Dong Sung establishes its American headquarter, Dong Sung Worldwide USA, Inc. at Cerritos, CA to launch the parent company's products to U.S. mainstream and to expand in the American sales market. | 2006 |
Later in second half of 2009, Canadian branch also gets established at Vancouver to stimulate and to promote sales in North America. | 2009 |
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