Statistical data method Statistical data method is the main method for salesmen to collect customer information. It can understand various marketing processes of enterprises through various statistical data, original records, business diaries, order contracts, customer letters and so on.
On-site meeting collection method carries out on-site collection through various business meetings, experience exchange meetings, academic reports, information conferences, professional seminars, scientific and technological meetings, technical appraisal meetings and other forms. Audio-visual method captures information in radio and TV programs. Radio and television are mass media, and information is transmitted quickly. In addition to advertisements, there are various market dynamic reports, which are important sources of information.