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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.Profitability: ROE is 25.11%, gross profit margin is 29.52% and net interest rate is 14.46%.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.

Main products: the driving system is the main source of income, accounting for 64.86% of the income and 32.20% of the gross profit margin.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.Top ten enterprises with profitability of core components of humanoid robots;

Highlights of the company: Huichuan technology is still in the early stage of insight and pre-research on the layout of humanoid robot industry, and the parts and components under development include motors, drivers and actuator modules.Profitability: ROE is 16.55%, gross profit margin is 39.15%, and net interest rate is 15.19%.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.