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Industrial Subdivision: Chassis and Engine SystemMain 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: ROE is 11.97%, gross profit margin is 30.95%, and net interest rate is 15.71%.

4 th core moving LiankeProfitability: ROE is 25.11%, gross profit margin is 29.52% and net interest rate is 14.46%.Highlights of the company: Keli Sensing has cooperated with industrial robots and cooperative robot customers, and is currently sending samples to humanoid robot customers.

Industrial subdivision: instruments and metersMain products: Braking system bearings are the main source of income, accounting for 76.84% of the revenue and 31.40% of the gross profit margin. Highlights of the company: Siling robot parts products plan to cover industrial robots, cooperative robots and humanoid robots. At present, the harmonic reducer is in the preparatory stage of mass production.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.