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AUG.1986 | General Trans Ul Certificate(UL No. 1446)
SEP.1986 | High Voltage for Microwave Oven UL Certificate(UL No. 506)
FEB.1994 | Medicine Pot Japan Quality Certificate
APR.1994 | Air Cleaner Mexico Quality Certificate(NOM)
JUL.1994 | Air Cleaner TUV Certificate(Model. : SAC-600LIE)
DEC.1994 | Air Cleaner Japan Quality Certificate(Model No.:SAC-605LIM)
DEC.1997 | Medicine Pot Japan Safety Mark Certificate(S-Mark)
SEP.1998 | Air Cleaner TUV Certificate(Model No.:SAC-702HI/704HI)
AUG.1998 | Air Cleaner CE Certificate(Model No.:SAC-702HI/704HI)
MAR.1999 | Air Cleaner UL/CUL Certificate(Model No.:SAC-702HI/704HI)
AUG.1999 | Certificate ISO 9002

APR.2000 | Certificate ISO 9001
APR.2000 | Air Cleaner ULCertificate(Model No.:SAC-752/754HI)
JUN.2001 | Certificate QS900 / ISO 9002 (Changwon factory)