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1973
HAI GEN Enterprise Co. was established. The first mechanical pencil manufacturer in Taiwan. Marketing under the brand name " Seagull".
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1979
Yu-Kuang Chemical Industry Corp was established. The first manufacturer of mechanical pencil refill leads in Taiwan. Marketing under the brand name "SHINE".
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1980
Yu-Kuang Chemical continues to introduce more school and office stationery, including erasers, synthetic glues, plastic rulers, crayons....etc.
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1992
Yu-Kuang Chemical was recognized by Taiwanese government as one of the outstanding exporter in Taiwan.
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1995
HAI GEN launched Ex-Power clips dispenser product series.
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1996
HAI GEN Enterprise Co. merged with Yu-Kuang Chemical Industry Corp.
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1999
Obtained SGS Certification ISO9002 as one of the quality assured firm.
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2017
2017 YKC Japan Ltd establised.