Telecom Service One Holdings Ltd together with its subsidiaries is a professional service provider in providing repair and refurbishment services. Their services are used by corporate customers comprising manufacturers of mobile phones and personal electronic products, telecommunications service provider, online video streaming service provider and global services companies. The business operates under one segment that is Provision of Mobile Phone and Consumer Electronic Devices Repair Service and the Sales of Consumer Electronic Devices. Repairing service generates maximum revenue for the company. The company exports its product to Macau and People's Republic of China.