Core Viewpoint - The company, Zhongfu Circuit (300814), has developed and owns multiple core technologies through independent research and development, focusing on advanced products and materials in the circuit board industry [1] Group 1: Core Technologies - The company has proprietary technologies related to high multilayer boards, thick copper boards, 5G antenna boards, high-frequency and high-speed boards, rigid-flex boards, embedded component boards, and PSIP [1] - These technologies encompass advanced materials, manufacturing processes, electrical parameter design and control, as well as quality control techniques [1]

Group 1 - The company has developed multiple core technologies through independent research and development, including high multilayer boards, thick copper boards, 5G antenna boards, high-frequency and high-speed boards, rigid-flex boards, embedded device boards, and PSIP products [2] - The company emphasizes its advanced materials, manufacturing processes, electrical parameter design and control, and quality control technologies [2] - The company encourages stakeholders to pay attention to future announcements regarding business expansion progress [2]