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Main products: mechanical sensors and instrument series are the main sources of income, accounting for 61.88% of the income and 41.39% 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.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.

Profitability: ROE is 23.89%, gross profit margin is 27.87%, and net interest rate is 16.44%.Highlights of the company: Buke Co., Ltd. has launched the third generation frameless torque motor products, which can meet the requirements of miniaturization and lightweight of cooperative robots and humanoid robots.Performance forecast: ROE has continuously decreased to 11.05% in recent three years, and the latest forecast average is 14.16%.

9 th Rui di zhi quMain 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.Performance forecast: ROE fluctuates between 18% and 28% in the last three years, and the latest forecast average is 11.68%.