| 1986 September | Founded as Nishine factory of TOHNO SEIMITSU Co., Ltd. |
|---|---|
| 1994 February | SAN-TOHNO Ltd. (Hong Kong) established in Hong Kong |
| 1994 May | SAN-TOHNO SEIMITSU MOLDING Co., Ltd. established in Shenzhen, China |
| 1996 June | P TON CORPORATION established in Cavite, Philippines |
| 2000 March | Split up as Newton Co., Ltd. |
| 2000 April | Expansion of Japanese Headquarters |
| 2003 February | SAN-TOHNO SEIMITSU MOLDING (Shenzhen) Co., Ltd. transferred to a new location |
| 2004 June | KUNSHAN SAN-TOHNO ELECTRON Co., Ltd. established in Kunshan, China |
| 2004 November | ISO9001 Certified |
| 2005 December | ISO14001 Certified |
| 2009 February | ISO/TS16949 Certified |
| 2011 October | THAI NEWTON Co., Ltd. established in Chonburi, Thailand |
| 2014 September | Transfer shares of SAN-TOHNO Ltd. (Hong Kong) （Signed a Technical Assistant Contract with SAN-TOHNO SEIMITSU MOLDING Co., Ltd for continuous support) |
| 2017 June | Transfer shares of KUNSHAN SAN-TOHNO ELECTRON Co., Ltd. (Kunshan) （Signed a Technical Assistant for continuous support) |
| 2017 December | IATF16949 Certified |
| 2018 June | ISO13485 Certified |
