China Tower Corp Ltd is a China-based company principally engaged in the provision of communications tower infrastructure services. The Company operates in four main categories of business. The tower business is mainly engaged in providing site space, maintenance services and power services, including power connection services, backup power services. The distributed antenna system (DAS) business is principally engaged in the provision of DAS systems to connect communication equipment. The smart tower business is mainly engaged in providing a variety of services, power supply, maintenance platform, data transmission network, and others. The energy business is mainly engaged in the provision of power backup services, battery replacement services and charging services. The Company mainly conducts its businesses in the domestic market.