Perfect Optronics Limited is an investment holding company that develops, trades, and sells display and optics products and related electronic components in Hong Kong, Mainland China, and Taiwan. Its product portfolio includes thin film transistor liquid crystal display panels and modules, driver ICs, polarizers, electronic signage, optics products, health-related products, and other products. The company also develops electronic product applications, wholesales and imports/exports display panels and related electronic components, offers technical support and related services, and researches, develops, and sells optics-related products and digital information signage and electronic shelf display products. In addition, it provides personal hygiene and disinfectant products and combination rapid antigen test kits under the K-clean brand. Founded in 2000 and headquartered in To Kwa Wan, Hong Kong, Perfect Optronics Limited operates as a subsidiary of Winful Enterprises Limited.