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Industrial Segmentation: Chassis and Engine SystemTop ten enterprises with profitability of core components of humanoid robots;Main products: electromagnetic brakes are the main source of income, accounting for 58.93% of the income and 37.26% 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.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.Profitability: ROE is 25.11%, gross profit margin is 29.52% and net interest rate is 14.46%.

Profitability: ROE is 10.80%, gross profit margin is 34.37%, and net interest rate is 19.91%.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.Performance forecast: ROE fluctuates between 12% and 21% in the last three years, and the latest forecast average is 10.13%. Main products: MEMS gyroscope is the main source of income, accounting for 89.37% of revenue and 82.42% of gross profit margin.