曾卖爆1000万台，豆浆机为何突然消失？

Group 1 - The article discusses the decline in popularity of the soybean milk machine, which was once a household staple in China, and how it has seemingly vanished from public discourse [1][2] - The soybean milk machine was invented by Wang Xuning in 1994, simplifying the traditional process of making soybean milk, but it initially struggled to gain traction due to high costs and the low price of ready-made soybean milk [5][6][7] - The turning point for the soybean milk machine came in 2008 after the melamine scandal, leading to a surge in sales as consumers sought safer alternatives, resulting in over 10 million units sold that year [9][13][15] Group 2 - Despite its initial success, the soybean milk machine faced challenges due to its cumbersome cleaning process, leading to many users abandoning it after a few uses [19][22] - Sales began to decline after 2010, with revenue from the soybean milk machine dropping from 4.04 billion to 3.15 billion yuan between 2010 and 2017, indicating a significant downturn [24] - The emergence of the high-speed blender, or "破壁机," provided a new opportunity for the company, which adapted the product to include heating capabilities, thus combining the functions of both machines [25][32][34] Group 3 - The high-speed blender gained popularity due to its versatility and ability to produce smoother beverages, with market size doubling from 2.26 billion to 4.61 billion yuan in just one year [37] - However, the high-speed blender also faced issues such as excessive noise and cleaning difficulties, leading to a decline in its market size after an initial peak in 2018 [41][46] - The company has attempted to diversify its product offerings, including acquisitions and new product launches, but these efforts have largely failed to yield positive results [47][50]