紫光国微：目前公司从事eSIM卡芯片的研发、设计和销售

Core Viewpoint - The company, Ziguang Guowei, is actively engaged in the research, design, and sales of eSIM card chips, indicating a focus on integrated solutions that combine software and security technologies for clients [1] Group 1: Company Developments - The company has completed comprehensive access approvals from the three major domestic telecom operators, positioning itself as a leader in the domestic eSIM market [1] - There is an expectation for rapid growth in domestic eSIM products, which is anticipated to significantly contribute to the company's performance [1] Group 2: Industry Context - The development of eSIM technology is more advanced internationally compared to the domestic market, which is still in its early stages [1]