Global Link Communications 

Global Link Communications Holdings Limited operates as an investment holding company, primarily focusing on the full lifecycle management – from development and manufacturing to sales, support, and operation – of passenger information systems tailored for the rail transit sector across mainland China and Hong Kong. Its core offerings in this domain include advanced on-train passenger information systems, onboard closed-circuit television (CCTV), public address systems, and digital display solutions. Beyond rail transit, the company further develops a diverse range of technologies. Its portfolio extends to community mobile applications and associated services, telecommunication application software, urban rail transit (URT) video surveillance and radio system solutions, intelligent video surveillance platforms, value-added telecommunication service systems, and comprehensive call center and broadband telecommunication infrastructures. The company also innovates various technology products and provides integrated solutions. In terms of support, Global Link supplies essential spare parts and accessories. Its service suite encompasses software and hardware upgrades, technical assistance, comprehensive system and product support, post-sales operational services, and customer relationship management. Additionally, the company holds proprietary software rights. Global Link serves a broad client base, including metropolitan railway operators, train manufacturers, URT integrators, major telecommunication carriers, value-added service providers, digital television network operators, other network service providers, client service centers, and information management agencies. Established in 1998, the company maintains its headquarters in Hong Kong.