超4.6亿元坏账计提背后的转型痛：昔日“检测王”明德生物深陷843天回款困局

Core Insights - Mingde Biological has faced significant challenges with accounts receivable, with a turnover period of 843 days, far exceeding the industry average of 136 days [1][2] - The company has continuously recognized asset impairment losses for three consecutive years, totaling 467 million yuan since 2022, indicating ongoing financial strain [2][4] - Revenue has drastically declined from a peak of 10.53 billion yuan in 2022 to an estimated 750 million yuan in 2023 and 350 million yuan in 2024, highlighting a severe drop in business performance [2][5] Company Financials - As of the third quarter of this year, Mingde Biological's accounts receivable balance stood at 653 million yuan, which is disproportionate to its revenue of 227 million yuan [1][3] - The company reported credit impairment losses of 370 million yuan in 2022, 79.95 million yuan in 2023, and 4.41 million yuan in 2024, with an additional 12.68 million yuan recognized in the first three quarters of this year [2][4] - The average accounts receivable turnover rate for the first three quarters was only 0.45 times per year, indicating that it takes over two years to recover receivables [4] Industry Context - The in vitro diagnostic industry is undergoing a transformation, shifting from traditional marketing channels to service-driven models, with increasing competition and product homogenization [5] - Mingde Biological's revenue is increasingly reliant on its core business of in vitro diagnostic products, which contributed approximately 63% of its revenue in 2024 [5] - The company is attempting to innovate in high-tech areas such as blood gas diagnostics to break the import monopoly, but faces challenges from price pressures due to centralized procurement [5]