C-Tech United Corp. (3625.TWO) designs, manufactures and sells lithium-ion and lithium-polymer battery modules and related components. The company offers lithium battery modules including those for electric bicycles, electric motorcycles and e-mobility applications; backup power systems (BPS); electric vehicles; 3C/IT devices such as notebooks, tablet PCs, smartphones and digital cameras; energy storage systems (ESS); plastic injection molding and mold development; general lithium batteries; notebook lithium battery PCBA; chargers and portable battery accessories; as well as electronic components. It serves major international clients including LG, HP, Dell, Acer, Schneider and SRAM, with operations spanning Taiwan, China and overseas markets. Founded in 1996 and headquartered at No. 665 Zhongzheng Road, 5th Floor, New Taipei City, Taiwan, C-Tech United listed on the Taipei Exchange OTC market in 2009. In a major recent strategic expansion, the company opened its first European representative office in Prague, Czech Republic in 2025 to support EU clients, with plans to commence production of battery systems for electromobility and industrial energy storage systems across Europe by the end of 2026 and to potentially establish a regional R&D center.