Group 1 - The cost structure of restaurant delivery robots shows that direct materials account for over 80% of total costs, with direct labor, manufacturing expenses, and transportation costs being relatively small and decreasing [1] - The pricing mechanism of the restaurant delivery robot market is influenced by supply-side costs, manufacturing costs, and consumer demand elasticity, creating a "price-demand-price" transmission path [3] - The current market price for restaurant delivery robots ranges from 20,000 to 50,000 yuan, with minor price differences among products [7] Group 2 - The commercial models in the restaurant service robot industry include direct sales, agency sales, and leasing operations, each with distinct characteristics that cater to different market needs [9][10] - The demand for restaurant delivery robots is strong, with market supply gradually balancing out after a period of high demand due to the COVID-19 pandemic, as evidenced by the production and sales growth of leading companies like Ninebot [12]