How can the fragrance of scented inks be blended to meet the preferences of the general public?
Understand Public PreferencesMarket Research: Through methods such as questionnaires, online forums, and consumer interviews, understand the fragrance preferences of people of different ages, genders, and regions. For example, young people may prefer fresh and sweet scents like fruit and flower fragrances, while middle-aged and elderly people may be more interested in 淡雅的 (subtle and elegant) […]
