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云汉芯城：公司未开展与超硬材料相关的业务
ICkey (Shanghai) Internet and TechnologyICkey (Shanghai) Internet and Technology(SZ:301563) Mei Ri Jing Ji Xin Wen·2025-10-16 03:45

Core Viewpoint - The company, Yunhan Chip City, clarified that it does not engage in the ultra-hard materials business, focusing instead on B2B sales of electronic components and PCBA services [1] Company Operations - The main business activities of the company include B2B sales of electronic components and PCBA services [1] - The subsidiary, Diamond Mountain Manufacturing Co., is responsible for maintaining certain channels in Hong Kong, as well as handling shipping and inventory management [1]