SIASUN(SZ:300024) Xin Lang Cai Jing·2025-09-27 14:37Core Insights - Recently, Lianyu Co., Ltd. signed a strategic cooperation agreement with Luoyang Aowite Precision Bearing Co., Ltd., becoming a major shareholder through strategic investment [1] - Luoyang Aowite focuses on precision bearings and has successfully replaced imports of high-end bearings like thin-walled crossed roller bearings, which have high technical barriers [1][2] Company Summary - Lianyu Co., Ltd. has strategically invested in Luoyang Aowite, which is a long-term stable supplier for many well-known domestic equipment manufacturing companies [1] - Luoyang Aowite specializes in thin-walled crossed roller bearings, a high-precision and high-rigidity bearing type with a complex manufacturing process [1][2] Industry Summary - Thin-walled crossed roller bearings play a crucial role in robotics, particularly in precision reducers, ensuring high precision and rigidity in rotational movements [2] - The demand for thin-walled crossed roller bearings is expected to grow rapidly due to the development of industrial robots, humanoid robots, high-end CNC machine tools, and semiconductor equipment, providing opportunities for domestic products to replace imports [2] - The market for thin-walled crossed roller bearings is currently dominated by international giants, but domestic manufacturers are making progress in developing high-precision grinding machines necessary for production [2] Investment Opportunities - Companies to watch include Lianyu Co., Ltd. (strategic investment in Luoyang Aowite), Guoji Precision Engineering, Guangyang Co., and Luoyang Hongyuan (unlisted) [3]