2014	April	Obtained ISO 14001 of ASUNG Plastic Valve and ASUNG Clean Flow-Tech Co.,Ltd
2004	September	Established ASUNG Clean Flow-Tech Co.,Ltd and began production of Ultra-Pure Water Clean Plastics
2002	February	Received a Certification by Korea Fire Equipment Inspection Corporation validating the Use of the Synthetic Resign Pipes for Fire Fighting Piping Work

1997	July	Obtained ISO 9001 KSA 9001 Quality Certificates
1995	November	Designated as a Military Service Duty Exempt Enterprise by the Office of Military Manpower Administration
	July	Company Converted to a corporate and changed its name to ASUNG Plastic Valve Co.,Ltd
1992	March	Acquired a Utility Model Right (No. 063407)

1989	September	Acquired a Utility Model Right(No. 43657)
1989	October	Set Up a New PP, C-PVC, PVDF Pipe Production Line and Commenced Production
1987	November	Completed Construction of new Head Office Building in Guro-dong, Seoul and relocated to it
1985	October	Completed Construction of new Factory in Banwol Industry Complex in Gyeonggi-do and moved to it
	May	Chosen as a Promising Small and Medium Enterprise by Korea Exchange Bank
1983	August	Passed the Test Standard for Valves of National Industrial Research Institute
1982	May	Commenced export of Plastic Valve Together with its Plants

1979	September	Completed Construction of new Factory in Namyanju, Gyeonggi-do and moved to it
1967	August	Established Asung PVC Plastic Manufacturing Company