• Leasing station for mobile networks.
• Leasing telecom and informatics devices: optical transmission, microwave, access services, router, data centre, ...
• Leasing infrastructure of In-Building Coverage for mobile network, Wimax: building, station, tunnel, ...

CT-IN has developed many In-building coverage systems in Ha Noi, Ho Chi Minh, Da Nang for operators as Vinaphone, Mobifone rent.

Providing service for Air Mekong: installing and leasing Cisco networking systems and IBM servers, software and support devices.