Group 1 - The core focus of the company is on the localization of high-end electronic ceramic materials through its subsidiary, Jingcai Technology [2] - The main products developed, produced, and sold by the company include ceramic green tapes, precious metal pastes, and ceramic powders [2] - The products are primarily used in the manufacturing and packaging of electronic components and circuit modules utilizing Low-Temperature Co-fired Ceramic (LTCC) technology [2] Group 2 - The end applications of the company's products span various sectors, including aerospace electronics, wireless communication, consumer electronics, automotive electronics, and special equipment [2]