| 2013 | Expansion of in-house Electro Ni-Plating and Au-Plating Line. |
| 2012 | Developing and producing TO-46(Optical telecommunication) products. |
| 2011 | Acquired ISO 14001 certification. |
| 2003 | Developing and producing TO series products. The Japanese company Hygente Co.,Ltd. reinvested into Sammyung Precision (Jiaxing) Co., Ltd. for the development and production of new products . Acquired ISO 9001 certification. |
| 2002 | This was the second expansion when the original one-floor factory building was rebuilt into a two-floor one, doubling the production space. |
| 2001 | Sammyung Precision Co., Ltd. increased capital to Sammyung Precision (Jiaxing) Co., Ltd. to enlarge the equipments and production. |
| 2000 | Purchased 3,266 square metres of land to the south of the company for its first expansion. |
| 1999 | Hygente Co.,Ltd. on Japan and Samyung Trading Co., Ltd. on Korea invested capital into Sammyung Precision (Jiaxing) Co., Ltd. |
| 1998 | Sammyung Precision Co., Ltd.in Korea purchased 12,686 square metres of land in Jiaxing Economic Development Zone in Zhejiang Province and established its subsidiary Sammyung Precision (Jiaxing) Co., Ltd. |