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Highlights of the company: the main business of double-ring transmission is mechanical transmission gears and related parts, and its main application fields cover automobile powertrains and transmission devices including transmissions and transfer cases.Main products: auto parts are the main source of income, accounting for 90.20% of the income and 32.70% of the gross profit margin.Highlights of the company: The working principle and basic technology of the core-moving MEMS pressure sensor are consistent with those of the inertial sensor, which are all based on the joint action of resonant MEMS devices and matching ASIC control chips.

Industrial subdivision: metal productsPerformance forecast: ROE fluctuates between 10% and 12% in the last three years, and the latest forecast average is 10.31%.Highlights of the company: Changsheng bearing products have applications in robot joints and reducers.

The upstream core components of humanoid robot industrial chain mainly include harmonic reducer, frameless torque motor, hollow cup motor, planetary roller screw, encoder, sensor, bearing and so on.Highlights of the company: The initial positioning of Lei Sai intelligent humanoid robot business is to provide servo control products and solutions, and provide serial servo control core components and module-level solutions for many machine manufacturers.Industrial breakdown: other general equipment