FDK CORPORATION
SILITECH Technology Corporation acquired an approximately 45% stake in FDK Corporation of Japan, expanding PSA into the energy and power solutions sector.
Lincstech Co., Ltd.
Global Brands Manufacture Ltd. acquired a 100% stake in Lincstech Co., Ltd., making it part of PSA. Lincstech specializes in high-end PCB manufacturing and automotive boards. The acquisition enhances capabilities in AI servers, automotive electronics, semiconductor testing, and high-density interconnect applications.
Iwatsu Malaysia sdn bhd
SILITECH Technology Corporation acquired Iwatsu Malaysia Sdn. Bhd. (Negeri Sembilan plant), expanding production capacity and manufacturing process diversity.
Matsuo Electric Co.,Ltd.
Kamaya Electric Co., Ltd., a subsidiary of Walsin Technology Corporation, acquired a 19.89% stake in Matsuo Electric Co., Ltd., increasing market presence in Japan and expanding applications in automotive, industrial machinery, and industrial control sectors.
ELECERAM TECHNOLOGY CO., LTD.
INPAQ Technology Co., Ltd. acquired a 72.9% stake in Transtouch Technology Inc. The company specializes in piezoelectric ceramic material, creating strong synergies with antenna and material technologies, particularly for automotive applications.
Joyin Co., LTD.
INPAQ Technology Co., Ltd. became the largest corporate shareholder of Joyin Co., LTD. by acquiring a 22.8% stake, alongside Walsin Technology’s holdings, reaching approximately 26.8% ownership in total. Joyin specializes in varistors, thermistors, and temperature sensors.
SOSHIN ELECTRIC CO.,LTD.
Kamaya Electric Co., Ltd., the Japanese subsidiary of Walsin Technology Corporation, acquired a 40.1% stake in Soshin Electric Co., Ltd., officially integrating it into PSA.The acquisition strengthens product integration in passive components, including LTCC-related technologies and applications.
※ In 2024, Kamaya completed a tender offer, making Soshin Electric a 100% owned subsidiary.
SILITECH Technology Corporation
Walsin Technology Corporation acquired a 15% stake in Silitech Technology Corporation, becoming its largest shareholder. The partnership strengthens PSA’s automotive electronics capabilities.
Career Technology (MFG.) Co., Ltd.
HannStar Board Corporation acquired a 24% stake in Career Technology MFG. Co., Ltd., becoming its largest shareholder. Career Technology also holds a 6.5% stake in HannStar Board. The collaboration strengthens the Group’s flexible printed circuit (FPC) capabilities and soft-hard integration strategy.
ELNA Printed Circuits Co., Ltd.
ELNA Printed Circuits Co., Ltd. was spun off from ELNA Co., Ltd.'s printed circuit board manufacturing business in 2017. In 2018, HannStar Board Corporation acquired a 70% stake in ELNA Printed Circuits Co., Ltd. and obtained management control. Through this investment, PSA entered the Japanese automotive PCB market.
INPAQ Technology Co., Ltd.
Walsin Technology Corporation acquired approximately 30% of INPAQ Technology Co., Ltd. via private placement, becoming its largest corporate shareholder. INPAQ specializes in integrated passive components and RF technologies, strengthening PSA’s high-frequency application capabilities.
Global Brands Manufacture Ltd.
HannStar Board Corporation acquired a 40.7% stake in Global Brands Manufacture Ltd., completing a controlling interest. The company specializes in PCB and EMS services, strengthening PSA’s electronics manufacturing ecosystem.
Info-Tek Corporation
HannStar Board Corporation acquired a 7.52% stake in Info-Tek Corporation, forming a strategic alliance to enhance SMT and PCB assembly capabilities to strengthen PCBA service offerings.
Frontier Electronics Co.
In 2007, Prosperity Dielectrics Co., Ltd., formed a strategic alliance with Frontier Electronics Co. to jointly develop diodes and magnetic components. In 2008, Frontier Electronics Co. was merged into Prosperity Dielectrics, integrating resources and product lines.
HannStar Board Corporation
Originally established in 1989 by Pacific Technology Industrial, the company was acquired by Walsin Lihwa in 1998 and renamed HannStar Board Corporation. It became publicly listed in 2003. From 2007, PSA strengthened management participation, deepening PCB business integration and synergies.
Kamaya Electric Co., Ltd.
Walsin Technology Corporation, in cooperation with Mitsubishi Materials Corporation (MMC), acquired an 85.84% stake in Kamaya Electric Co., Ltd., including related ceramic capacitor assets in Taiwan, expanding passive component capabilities and international market reach.
Prosperity Dielectrics Co., Ltd.
Walsin Technology Corporation entered into a share transfer agreement with TCC Group Holdings Co., Ltd. and acquired an equity interest in Prosperity Dielectrics Co., Ltd. through a share swap transaction. Following the acquisition, Prosperity Dielectrics became part of PSA, strengthening PSA’s portfolio in specialty products and materials.
PSA Established
PSA (Passive System Alliance) Group was officially established under the leadership of Chairman Anthony Chiao, with alliance spirit and resource sharing as its core philosophy, laying the foundation for long-term development.
Nitsuko Electronics Corp.
Walsin Technology Corporation acquired a 70% stake in Nitsuko Electronics Corporation (NEC Group) through capital injection. Through Nitsuko, the Group expanded into the Japanese domestic market, and by leveraging Walsin Technology’s global distribution channels and customer resources, further promoted Nitsuko’s products to overseas markets.
Walton Advanced Engineering, Inc.
Walton Advanced Engineering, Inc. was officially established in 1995. Over the following three years, IC packaging and testing facilities were successively built, enabling mass production and continuously strengthening its development in semiconductor packaging and testing.
Walsin Technology Corporation
In 1989, Walsin Lihwa Corporation acquired Wan Bang Electronics, later renamed Walsin Technology Corporation in 1992. The electronics division of Walsin Lihwa was integrated with Walsin Technology, and Yu-Heng (Anthony) Chiao became Chairman. Walsin Technology Corporation then focused on the development of electronic components as its core business, marking the beginning of mass production for passive components.