Core Viewpoint - Ansteel's canteen has a long history of producing mooncakes, evolving from employee welfare to retail sales in supermarkets, with the "Big White Building" mooncake becoming a trademarked product and a local favorite in Anshan [1] Group 1: Product Development - Ansteel currently has 17 canteens producing mooncakes, which have become popular items in various supermarkets [1] - In addition to the traditional five-nut mooncake, Ansteel's canteen has introduced flavors appealing to younger consumers, such as chocolate hazelnut and mango pomelo mooncakes [1] Group 2: Cultural Significance - The mooncakes not only satisfy taste preferences but also carry a sense of nostalgia, representing a unique and warm cultural symbol for the steel city of Anshan [1] Group 3: Market Position - The "Big White Building" mooncake has gained significant popularity, indicating a successful market penetration and brand recognition within the local community [1]