The membership requirements of Nanning Calligraphers Association include: 1. You must be a professional calligrapher. 2. You must have at least three years experience in calligrapher's activities. You must have the knowledge and skills that a calligrapher should have. 4. You need to collect and prepare relevant calligraphy works for submission to the Association for review. You must pay to register as a member and take part in calligraphy activities regularly.