1982 ESTABLISHED LIMITED PARTNERSHIP IN SATHUPRADIT ROAD, YANNAWA, BANGKOK

1988 ESTABLISHED CHAIYOOT FACTORY(1988) CO.,LTD

1999 TRANSFERRED PRODUCTION OPERATIONS TO CURRENT FACTORY IN SAMUTPRAKARN

2004 ACHIEVED ISO9001 CERTIFICATION

2006 ESTABLISHED PLANT II IN CHONBURI

2007 ACHIEVED ISO/TS 16949 CERTIFICATION

2014 ACHIEVED ISO 14000 CERTIFICATION