A: (1) Accommodation and catering industry. The industry covers hotels, general hotels, catering services, fast food services, drinks, cold food services and other enterprises engaged in catering services. Guangdong has a developed tourism industry, and the 20 10 Asian Games will be held in Guangzhou. The opening of celebrity advertising color ring tones will help hotels and restaurants to enhance customer friendliness. (2) the financial industry. The industry includes banking, securities, insurance and other financial activities. Enterprises in this industry generally have the characteristics of large scale, strong strength and emphasis on corporate image. They pay more attention to quality and service, and the fixed-line color ring back tone service has a broad market space in the financial industry. (3) Party and government organs. Including party and government organs and social organizations (including international organizations), the army (including armed police) and so on. Party and government organs and social organizations attach great importance to their image among the people, and it is very suitable for them to use CRBT to play the slogan publicly publicized by party and government organs. (4) Scientific education and cultural health system. The system includes scientific research institutions, technical service units, geological exploration, education, medical and health care, social security and social welfare, culture, sports and entertainment. These enterprises have great demand for CRBT services. Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log in to Guangdong Telecom Mobile Mall () to seek help from online customer service, which is available 7X24 hours a day!