Profitability Transformation under Income Contraction: Financial Performance Analysis of Nanjing High-Tech Co., Ltd. (2022-2024). Journal of Historical, Cultural and Social Sciences, [S. l.], v. 2, n. 1, p. 55–66, 2026. DOI: 10.71204/c131zm26. Disponível em: https://jhcss.cscholar.com/article/view/1000366. Acesso em: 18 may. 2026.