Shandong's pet food production and output value rank first in the country, accounting for about one-third of the national total. The trend of functionalization, diversification, and premiumization in pet food development is also driving local companies to transform and upgrade. At a pet food factory in Yinan County, Linyi City, Shandong, reporters observed that the R&D team has established a pet health database, utilizing big data analysis to develop segmented product lines such as low-allergen, high-protein, and joint care based on the nutritional needs of different pet breeds and age groups. In the high-end pet food market, which was once dominated by imported brands, domestic brands are using R&D innovation as a breakthrough, continuously investing in technological upgrades, and their market share is expanding year by year. Data from e-commerce platforms show that the online market share of the top three domestic brands is 13.1% in the first three quarters of 2024, surpassing the 9.9% of the top three foreign brands