Core Viewpoint - Mingzhi Technology has filed a lawsuit against Yunnan Yunnei Power Co., Ltd. for unpaid debts amounting to 30.965 million yuan, claiming that the defendant's actions have severely infringed upon the company's legal rights [1][2]. Group 1: Lawsuit Details - The lawsuit was filed in Kunming Municipal People's Court due to Yunnei Power's failure to pay the outstanding amount since 2005, despite Mingzhi Technology fulfilling its contractual obligations [2]. - Mingzhi Technology has made multiple attempts to resolve the debt issue with Yunnei Power, but these efforts have not yielded effective results, leading to the legal action [2]. - As of July 31, 2025, Mingzhi Technology has made a provision for bad debts amounting to 12.433 million yuan related to Yunnei Power [2]. Group 2: Company Relationships - Yunnei Power was a significant client for Mingzhi Technology during its IPO period, being the largest accounts receivable party [1][4]. - The collaboration between the two companies began with a strategic framework agreement signed in December 2016, which aimed to support the development of Yunnei Power's D-series engine [2][4]. - In 2019, Yunnei Power was the largest customer for Mingzhi Technology's high-end core manufacturing equipment, with transactions amounting to 33.7607 million yuan [5]. Group 3: Market Context - Yunnei Power has recently gained attention in the capital market due to plans to develop L4-level intelligent delivery robots, resulting in a significant increase in its stock price [4]. - However, Yunnei Power is currently under risk warning from the Shenzhen Stock Exchange due to false financial reporting, leading to its designation as "ST Yundong" [4].