Currently, market demand for markers continues to grow, with increasingly diverse applications. Beyond traditional uses in art, education, and industrial design, markers are rapidly penetrating into emerging consumer sectors such as notebooks, DIY crafts, and fashion illustrations. Environmentally friendly, water-based markers are gaining popularity due to their safety and non-toxicity, while innovative features such as dual-ended designs, quick-drying, and water-resistant features are trending. Furthermore, personalized customization and co-branded markers with cultural and creative brand...