Core Viewpoint - The company Yingfangwei (000670) primarily engages in the distribution of electronic components and the research, design, and sales of integrated circuit chips, with a significant focus on electronic component distribution, which constitutes 99.67% of total revenue [1] Group 1: Business Overview - The main business activities of the company include electronic component distribution and integrated circuit chip development, design, and sales [1] - The electronic component distribution segment covers products such as RF chips, fingerprint chips, power chips, memory chips, passive components, and comprehensive components [1] - The application fields for these products include mobile phones, network communication devices, smart devices, and automotive electronics [1]