Validating the business idea and investing about $40,000
产品质量与安全问题也在侵蚀品牌信誉。黑猫投诉平台显示，九号电动车累计投诉量达 4166 件，电机故障、电池虚标等问题频发；2024 年国家市场监督管理总局抽查中，7 批次产品不合格，山东省抽检还发现其淋水涉水性能不达标。海外市场同样丑闻不断，2025 年 3 月，美国消费品安全委员会因折叠装置故障召回 22 万辆 Segway 滑板车，这已是四年内第四次海外召回。
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Маргарита Щигарева
Tim Fernholz is a journalist who writes about technology, finance and public policy. He has closely covered the rise of the private space industry and is the author of Rocket Billionaires: Elon Musk, Jeff Bezos and the New Space Race. Formerly, he was a senior reporter at Quartz, the global business news site, for more than a decade, and began his career as a political reporter in Washington, D.C.