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1999
- 04
- A development of pH/ORP Controller Mestar-P series.
- 04
- A development of KEMPION KH hydraulic metering pump.
1988
- 11
- Acquirement of KS A/ISO 9001 mark.
1997
- 05
- Establishment of pumping technology labs.
- 05
- A development of KEMPION KP plunger type metering pump.
1995
- 07
- Be awarded a prize from Labor Minister.(tree times attainment of "no accident" record)
1994
- 10
- Acquirement of KT mark(precise manufacturing technology for small diaphragm pump)
1993
- 06
- Awarding from the minister of Enviorment Minister.
- 04
- A development of AX small metering pump and VX large metering pump.
1989
- 06
- The completion of new Banwol factory
1988
- 06
- Commencement of selling pH/ORP Multiple Electrode to Domestic and Overseas Market.
1987
- 06
- A development of Magnetic Pump for Domestic market.
1986
- 04
- A development of Metering pump & pH/ORP Controller for Domestic market.
1980
- 12
- Establishment of Cheon Sei Ind.Co.,Ltd