History
“Review the past and look forward to the future.”
1989
YehJeh was founded in 1989 in XinZhung with rental factory, as a manufacturer of evaporator and condenser coil.
1999
First self-owned factory and locate at Yingge
1999
started to provide OEM service to Chung-sin Electric and Machinery Manufacturing Corp(CHEM)
2001
Established R&D department for hvac coil design
2001
Started to export products to Sweden
2004
certified by ISO 9001
2004
Passed two patents about performance improvement of evaporator and condenser coils of air conditioner.
2008
Certified by ISO14001
2009
Started to provide OEM service to DENSO
2015
Started to provide OEM service to SANYO
2017
New factory ground-breaking ceremony at DaXi.