Group 1 - The "Erfu" festival has led to increased demand for traditional noodle dishes in Beijing, with many restaurants preparing for the surge in customers [1][2] - Popular dishes such as the small braised meat knife-cut noodles and new offerings like snow vegetable minced meat noodles have sold out quickly, indicating strong consumer interest [1] - Sales of cold noodles at established restaurants like Emei Restaurant have increased by approximately 200% compared to regular days, showcasing a significant rise in popularity [1] Group 2 - The traditional fried sauce noodles remain a key highlight during the "Erfu" festival, with daily sales exceeding 1,000 portions and preparations made to increase stock by 30% to meet demand [2] - The expected peak sales for the weekend could surpass 1,700 portions in a single day, with total summer sales projected to reach around 45,000 portions, reflecting an 18% year-on-year increase [2]