Han Shu. R&D capabilities and product lines.
1. R&D strength: Han Shu has invested heavily in the research and development of skin care products and has a number of patented technologies. The quality and efficacy of its products are widely recognized. Kazilan mainly focuses on cosmetics, and is in the research and development of skin care products. There are relatively few aspects.
2. Product line: Han Shu has a relatively complete product line, covering multiple fields of skin care, makeup, and fragrance, which can meet the needs of different consumers. Kazilan mainly focuses on makeup, and its product line is relatively narrow.