Group 1 - The lithium niobate crystal has multiple photoelectric effects, strong tunability, stable physical and chemical properties, and a wide optical transmission range, making it widely used in SAW filters, optical modulators, phase modulators, optical isolators, and electro-optic Q-switches [2] - Thin-film lithium niobate materials are becoming an important technological direction due to their higher integration and better performance, with domestic manufacturers having a competitive advantage in the LNOI field [2] - The lithium niobate industry chain includes upstream lithium niobate crystals and thin film materials, electron beam writing, and DUV lithography equipment, as well as midstream thin-film lithium niobate modulator chips and devices, and downstream applications, with domestic manufacturers participating in all segments [2] Group 2 - Guangku Technology focuses on products including lithium niobate modulators and possesses ultra-high-speed optical communication modulator chips and modules, which are core optical devices for long-distance coherent optical transmission and ultra-high-speed data centers [3] - Guoxin Technology has established joint laboratories for quantum chips with well-known companies in the quantum field, including Anhui Wentian Quantum Technology Co., Ltd. and its subsidiary Hefei Silizhen Chip Technology Co., Ltd. [3]