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1987. 05 Establishing SAMJIN IND. and started to manufacture the housing of Electric Transformers
1987. 05 Registered as a supplier of HYOSUNG HEAVY IND. CO., LTD.
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1992. 04 Started to manufacture the Panel Radiators for Electric Transformers.
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1994. 06 Started to manufacture the Sheaths for Gas circuit Breaker.
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1995. 06 Started to manufacture the FAN A'SSY
1995. 06 Started to manufacture the Very high pressure Radaitor
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1999. 11 Acquired ISO 9002 Certification
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2003. 07 초고압 방열기(PIPE TYPE) 자동화 라인 가동
2003. 08 Registered as a supplier of Hyundai Heavy Industries Co., Ltd.
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2004. 05 수화력 발전 설비 정비적격업체 인증서 획득
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2005. 04 발전설비 정비 적격업체 인증서 획득
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2006. 05 원강산업(주) 상호변경
2006. 05 해외 중국 남통 원강 방열기 설립
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