| 2002.12 | | Selected as one of the small enterprises with a bright prospect by the Pusan Bank |
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| 2001.02 | | Expanded laboratory and built a new AV education lab |
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| 1999.03 | | Developed and produced complex stabilizer for PVC window profile Developed and produced complex stabilizer for PVC DC pipe |
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| 1998.09 | | Selected as one of the small enterprises with a bright prospect in export by the Small Business Corporation |
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| 1998.05 | | Selected as one of the 500 leading companies by the Small and Medium Business Administration |
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| 1998.02 | | First export shipped to Syria, Pakistan, Yemen, Myanmar and Vietnam |
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| 1998.01 | | Agent contract concluded with Syria Agent contract concluded with Pakistan |
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| 1997.02 | | International trade permitted |
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| 1997.01 | | Incorporated and changed the company name to SunKyoung Chemical Corporation |
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| 1996.07 | | Developed and produced complex stabilizer for non-toxic PVC |
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| 1996.07 | | Expanded and relocated in Onsan industrial complex -automated equipments and research laboratory Preparing to build a company that looks forward the future |
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| 1995.05 | | Developed and produced additives for film for agriculture |
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| 1993.05 | | Purchased land of 8,000 square meters in Onsan industrial complex, Ulsan |
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| 1992.02 | | Purchased Labo Plastomill experimental equipment Trust agent contract concluded with LG Chemical for procesing aid and impact modifier |
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| 1990.05 | | Improved productivity by switching the production |
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| 1984.04 | | SunKyoung Chemical established Produced compex stabilizer for general PVC pipe |
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