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| 1960 | Started supply of automotive parts to PRINCE MOTOR CO., LTD. (current NISSAN) |
| 1968 | Started supply to FUJI HEAVY INDUSTRIES LTD. |
| 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 MAZDA MOTOR CORPORATION (as tier 2 of ADVICS CO., LTD.) |
| 2004 | Started supply to TOYOTA MOTOR CORPORATION (as tier 2 of BOSCH CORPORATION) |
| 2005 | Started supply to DANA CORPORATION |
| 2007 | Started supply to GENERAL MOTORS CORPORATION |
| 2009 | Started supply to MANDO CORPORATION |