2006
CCCs (Taiwan)
SNI Certificate
TS16949 Certificate
ISO9001 Certificate
(Renewal)
2002
GCC Certificate from SASO
CCCT Certificate from China's Tire Quality Association - JFT
2001
E-mark certification
2000
Brazil's INMETRO Certification
1999
ISO-14001 Environmental Management System Certification
1995
ISO9001 Certificate
1993
Honda Quality Award
1990
GM/Opel Award
Ford Q1 Award
1986
Quality Control Department Chief Award
1984
Ishikawa Quality Award
1965
U.S. DOT(UX)
1963
R.O.C. CNS Trademark
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