L in Tsung-Chi is the founder and chairman of King Slide Works, a Taiwan-based manufacturer of high-quality server rail kits and home furniture hardware. He established the company in 1986, initially producing furniture fittings like drawer slides and hinges. Recognizing the growth in the tech sector, he successfully pivoted the company to become a critical supplier of rail kits for cloud servers, counting global tech giants among his clients.

King Slide Works is headquartered in Kaohsiung and is known for its strong R&D capabilities and patent portfolio. Lin runs the business with his family; his daughter, Lin Shu-Chen, serves as president, and her husband, Wang Chun-Chiang, is the executive vice president. Lin's wealth is derived from his controlling stake in the publicly traded company, which has capitalized on the booming demand for data centers and AI servers.