| 1987 - Aug |
: Establishment (Registered Capital THB17,000,000) |
| 1989 - Feb |
: Factory expansion Phase-2 |
 - May |
: Capital increase to THB 34,000,000 |
| - Dec |
: Capital increase to THB 50,000,000 |
| 1990 - Sep |
: Factory expansion Phase-3 |
| 1995 - Nov |
: Acquisition of ISO 9002 ( by TISI ) |
| 1997 - Nov |
: Factory expansion Phase-4 |
| 1998 - Jun |
: Capital increase to THB 75,000,000 |
| 2000 - Apr |
: Start automotive harness business |
| 2001 - Nov |
: Acquisition of ISO 9001-2000 ( by MASCI ) |
| 2002 - Jul |
: Acquisition of ISO 14001 ( by MASCI ) |
| 2006 - Jan |
: Acquisition of ISO/TS 16949 ( by URS ) |
| 2007 - Mar |
: Land acquisition at Nakhonnayok for new factory
|
| 2008 - Aug |
: Establish New Plant TWCS2 at Nakhonnayok |
| 2009 - Feb |
: Acquisition of ISO 9001:2000 (by MASCI / TWCS-1) |
| |
: Acquisition of ISO/TS 16949:2002 (by URS / TWCS-1) |
| 2009 - Apr |
: Acquisition of ISO 9001:2000 ( by URS / TWCS-2 ) |
| |
: Acquisition of ISO/TS 16949:2002 ( by URS / TWCS-2 ) |
| 2009 - Jun |
: Acquisition of ISO 9001:2008 ( by MASCI / TWCS-1 & 2 ) |
| |
: Acquisition of TIS 14001-2548 ( ISO 14001-2004 ) ( TWCS-1 & 2 ) |
| 2012 - Jan |
: Change Corporate Name To Be |
| |
 Hayakawa
Electronics (Thailand) Co.,Ltd. |
| 2012 - Aug |
: Established 25 years anniversary in Thailand |
| 2016 - Nov |
: Acquisition of ISO 9001:2015 ( by MASCI / HET-1 & 2 ) |
| 2017 - Jul |
: Acquisition of ISO 14001:2015 ( by MASCI / HET-1 & 2 ) |
| 2017 - Aug |
: Established 30 years anniversary in Thailand |
| 2018 - Feb |
: Acquisition of IATF16949:2016/9001:2015 (by URS / HET-1 & 2) |
| 2018 - Jun |
: Acquisition of TLS 8001-2010 (by Ministry of Labour HET-1 & 2) |
