1. Brand history and background: Montblanc was founded in 1906 and is headquartered in Hamburg, Germany. This is a luxury brand famous for producing high-quality writing tools. Its products are famous for their exquisite craftsmanship and iconic white and gold nib. Wanjinbao is an Italian brand, founded in 1975. Its design style combines Italian elegance and oriental luxury elements, and it is famous for producing high-quality jewelry, watches and accessories.

2. Design concept and style: Montblanc's glasses design is usually characterized by its classic and eternal style, focusing on the inheritance of details and craftsmanship. They often use high-quality materials, such as titanium metal and acetate fiber, as well as superb manufacturing technology. Wanjinbao's glasses design pays more attention to luxury and fashion sense, and products often incorporate elements of jewelry design, such as diamond inlay and complex patterns, giving people a gorgeous feeling.