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Main products: metal plastic polymer self-lubricating rolled bearings are the main source of income, accounting for 35.03% of the income and 49.33% of the gross profit margin.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: auto parts are the main source of income, accounting for 90.20% of the income and 32.70% of the gross profit margin.

Profitability is usually manifested in the amount and level of corporate income in a certain period of time. The analysis of profitability is the deep analysis of the company's profit rate.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.Performance forecast: ROE fluctuated between 8% and 14% in the last three years, and the latest forecast averaged 9.86%.

Profitability: ROE is 25.11%, gross profit margin is 29.52% and net interest rate is 14.46%.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 10.80%, gross profit margin is 34.37%, and net interest rate is 19.91%.