神马电力：公司主要从事电力系统变电站复合外绝缘等产品的研发、生产与销售，主营业务未发生重大变化

Core Viewpoint - The company, Shenma Electric Power, has issued a notice regarding unusual stock price movements, with a cumulative increase of over 20% in closing prices over three consecutive trading days from February 25 to February 27, 2026 [1] Group 1: Company Operations - The company primarily engages in the research, development, production, and sales of composite external insulation for power system substations, composite external insulation for transmission and distribution lines, and rubber sealing components [1] - There have been no significant changes in the company's main business or operational activities [1] - The company's production and operational activities are functioning normally, with no changes in the internal production order [1] Group 2: Market Environment - The fundamental business conditions and main business structure of the company have not undergone significant changes [1] - The internal and external operating environment remains stable without any notable changes [1]