What carrier does the telecom card use in Hong Kong?

China Telecom Hongkong Company Network. According to China Telecom official website, China Telecom China Hong Kong Company is one of the major telecom operators in China and Hong Kong. It has a wide network coverage and high service quality, and can use telecom cards. China Telecom China Hong Kong Company is one of the telecom operators in Hong Kong, China, providing services such as mobile communication, broadband Internet and fixed telephone.