1960 Started supply of automotive parts to PRINCE MOTOR CO., LTD. (now NISSAN)
1968 Started supply to FUJI HEAVY INDUSTRIES LTD.(now SUBARU)
1977 Started supply to JATCO LTD.
1988 Started supply to DAIKIN INDUSTRIES CO., LTD.
1994 Started supply to HONDA MOTOR CO., LTD.
2002 Started supply to SUZUKI MOTOR CORPORATION
2003 Started supply to ADVICS CO., LTD. (as tier 2 of MAZDA MOTOR CORPORATION)
2004 Started supply to BOSCH CORPORATION (as tier 2 of TOYOTA MOTOR CORPORATION)
2005 Started supply to DANA CORPORATION
2007 Started supply to ADVICS CO., LTD. (as tier 2 of GENERAL MOTORS CORPORATION)
2009 Started supply to MANDO CORPORATION（as tier 2 of GENERAL MOTORS CORPORATION）
2009 Started supply to GENERAL MOTORS CORPORATION
2011 Started supply to AutoAlliance (Thailand) CO., LTD.
2014 Started supply to MITSUBISHI MOTORS CO., LTD.