YANKEY ENGINEERING Business Summary

Yankey Engineering Ltd (6691.TW) operates a project-based revenue model, generating income through the provision of comprehensive turnkey engineering services for high-tech cleanrooms and integrated mechanical, electrical, and plumbing (MEP) systems. The company’s primary business segments include the design and installation of high-specification cleanrooms, HVAC systems, process piping, and high-voltage power distribution for advanced manufacturing facilities. Serving a blue-chip client base in the semiconductor, optoelectronics, and biotechnology sectors across Taiwan, China, and Southeast Asia, Yankey has expanded its portfolio to include green energy technology and data center infrastructure. Its primary direct competitors include Acter Group Corporation, L&K Engineering, and United Integrated Services; Yankey distinguishes itself as a premier Tier-1 provider, maintaining a dominant market position in the semiconductor fab construction supply chain due to its specialized technical integration capabilities. Founded in 1980 by Yu-Chung Lai, the company is currently led by Chairman Jack Liu (Shih-Yuan Liu), who succeeded the founder in 2024 to complete a strategic generational transition. Liu, an electrical engineering specialist from the National Taipei Institute of Technology, previously served as General Manager and is credited with scaling the firm’s high-tech fab operations. The executive team is supported by General Manager Marco Lin (Hong-Zhong Lin), who oversees operational execution, and CFO Johnny Cheng (Jin-Hao Cheng), who manages financial strategy. The company’s board and ownership structure feature significant institutional backing from Capital Investment Trust Corporation and Yuanta Securities, alongside major private investment vehicles such as Gaojin Co., Ltd. and Mutian Investment Co., Ltd., reflecting a stable governance framework focused on long-term industrial infrastructure growth.