润本股份（603193）：母婴赛道新声，润物生长

Investment Rating - The report assigns a "Buy" rating for Runben Co., Ltd. (603193) as a new benchmark in the maternal and infant care sector [1]. Core Insights - Runben Co., Ltd. has shown steady performance with a focus on the baby mosquito repellent market, gradually expanding into baby care and plant essential oils, forming a multi-category daily chemical ecosystem. The core categories of mosquito repellent and baby care account for over 85% of revenue, driving continuous growth in revenue and profit [7][24]. - The global and Chinese markets for mosquito repellent and baby care products are expected to grow steadily, with the children's mosquito repellent market projected to reach 1.795 billion yuan by 2024, and the baby care market expected to reach 32.9 billion yuan in the same year [7][40]. - Runben's integrated research, production, and sales model creates long-term competitive barriers, with plans to invest 700 million yuan in smart factories and 600 million yuan to expand R&D and production bases [7][24]. Summary by Sections 1. Business Growth and Performance - Runben Co., Ltd. has transitioned from a single-category brand focused on mosquito repellent to a multi-scenario daily chemical enterprise, leveraging user assets and integrated operations [16]. - The company has achieved a compound annual growth rate (CAGR) of 31.32% in revenue from 582 million yuan in 2021 to 1.318 billion yuan in 2024, with net profit increasing from 121 million yuan to 300 million yuan in the same period [7][24]. - The revenue structure is concentrated, with the baby care segment's share increasing from 37.22% in 2021 to 52.36% in 2024, while the mosquito repellent segment stabilized between 31% and 33% [22]. 2. Industry Landscape and Trends - The global children's mosquito repellent market is expected to grow at a CAGR of 4.26% from 2023 to 2027, while the Chinese market is projected to grow at approximately 6.1% during the same period [7][33]. - The baby care market in China is anticipated to reach 32.9 billion yuan by 2024, with a CAGR of 7.97% from 2023 to 2027, indicating strong growth potential [40][42]. - The competitive landscape in the mosquito repellent market shows a concentration of top brands, with the top 10 brands holding significant market shares, reflecting a strong competitive environment [34]. 3. Competitive Advantages - Runben Co., Ltd. maintains a high sales net profit margin, with figures ranging from 18.69% to 22.77% from 2021 to 2025, indicating strong operational control and market positioning [54]. - The company has a superior inventory turnover efficiency, with inventory turnover days decreasing to 66.29 days in 2025, showcasing effective supply chain management [57]. - The accounts receivable turnover days are also favorable, with a notable efficiency in cash collection, primarily due to the online direct sales model [58].