A: (1) Accommodation and catering industry. This industry covers hotels and restaurants, general hotels, formal food service, fast food service, beverages, cold food service and other enterprises engaged in food service. Guangdong's tourism industry is well developed, and the 2010 Asian Games will be held in Guangzhou. Opening celebrity advertisement color ringtones will be able to help hotels and restaurants to enhance the friendliness of their customers. (2) Financial industry. This industry includes banking, securities, insurance and other financial activities. The enterprises in this industry generally have large scale, strong strength, pay attention to the characteristics of the corporate image, they are more important to the quality and service, fixed-line ringtone business in the financial industry has a broad market space. (3) Party and government organizations. 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 pay great attention to their own image in the public, in the color ringtone to play the party and government organs of the external publicity slogans very much in line with its needs. (4) Science, education, culture and health system. The system includes scientific research institutions, technical service units, geological survey, education, medical and health care, social security and social welfare, culture, sports and entertainment, etc. Such enterprises have a greater demand for the color ringtone business. Thank you for your attention to telecom products, and wish you a happy life. If the above information does not solve your problem, you can also log on to the Guangdong Telecom cell phone mall (), to the online customer service help, 7X24 hours online!