About Yaosheng


was founded in 1992. Devoted to the design and production of transformers and inductors, our products are not only extensively applied in devices like LCD monitors, LCD TV, cell phones, personal computers, TV and information appliances but are also highly accepted and recognized by local and overseas markets. Yaosheng insists on the principle of quality products. With UL and ISO certification and ever changing technology trends, it is evident to the management team of Yaosheng that sustainable growth can only be realized by understanding and accepting new knowledge, adopting core technologies, and researching and developing new products.




Company History

Year Main activity
1992 Yao Sheng Electronic Co., Ltd. (Yao Sheng) established
1996 Certified by the UL for insulation system
2002 Purchased Top Nation Electronic Limited
Indirectly invested the Dong Guan Top Nation Electronics Factory
Indirectly invested the Top Nation Electronics (Su Zhou) Limited
Yao Sheng's shares was approved public-offering share by the Securities and Futures Bureau
2003 Yao Sheng's shares was approved traded in Emerging Stock Market by Taipei Exchange (TPEx)
2004 Yao Sheng's shares was approved traded in Mainboard Market by the Securities and Futures Bureau
Top Nation was certified by the International Environmental
Management System for ISO 14001
New factory of Top Nation Electronics (Su Zhou) Limited opened and started production.
2007 Indirectly invested the Top Nation Korea Co., Ltd with 70% of shares.
2008 Indirectly and fully owned Dong Guan Top Nation Electronics Limited
2019 With a 33% stake held by Dong Guan Top Nation Electronic Ltd. was established Yunnan Wenshan Top Nation Electronic Co., Ltd..
2021 Transferred to Wenshan Top Nation Electronic Limited through FPO, increasing shareholding from 33% to 80%.
2022 With the approval of the Securities and Futures Bureau, the capital was increased to NT$220 million, and the capital was increased to NT$537,703thousand. Yao Sheng invested NT$31.5 million in SMAS Technology Co., Ltd. and acquired 82.13% of the equity of Theresa Institute Co., Limited in Japan.
2023 With the approval of the Securities and Futures Bureau, the capital increase was NT$420 million, and the capital was increased to NT$607,703 thousand. Acquired equity from non-controlling shareholders of Theresa Institute Co., Ltd. in Japan and increased its shareholding to 86.89%. Invested NT$64,675 thousand in SMAS Technology Co., Ltd. through a cash capital increase, increasing its shareholding from 60.75% to 62.71%. To improve the company's co...

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