King Yuan Electronics Co Ltd (KYEC) provides wafer probing and final product testing services for the semiconductor backend supply chain. It is the second-largest firm in terms of testing revenue and the largest professional pure-play testing company worldwide. KYEC is recognized as a global leader in high-end chip testing, particularly in the field of AI chip testing.

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KYEC’s R&D arm focuses on consolidating resources to provide comprehensive testing solutions, addressing technical problems encountered from the adoption to mass production of new products. It creates a fully equipped testing environment, automating production processes and developing advanced testing service capabilities. The company, by specializing in integrated circuit (IC) testing, has developed in-depth expertise, allowing it to create its own testers and burn-in ovens, with continuous improvements in specifications and performance to meet customer needs. It integrates relevant testing systems and introduces in-house developed testing equipment for various product applications, keeping pace with technological advancements and market changes. The company developed a wide range of equipment and key components, including logic IC testing machines, image sensors, driver IC machines, microelectromechanical (MEMS) machines, and high-power burn-in ovens. KYEC adopts rapid technological advances by developing new testing technologies, such as high-frequency, high-power, heterogeneous, and advanced packaging, and silicon photonics. It incorporates artificial intelligence to improve production efficiency and user convenience, maintaining its competitive edge in semiconductor manufacturing and testing. In FY2025, the company incurred an expense of TWD930.26 million on R&D, which as a percentage of revenue stood at 2.6% in the review year.