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Highlights of the company: the main business of double-ring transmission is mechanical transmission gears and related parts, and its main application fields cover automobile powertrains and transmission devices including transmissions and transfer cases.Profitability: ROE is 10.80%, gross profit margin is 34.37%, and net interest rate is 19.91%.Profitability: ROE is 9.58%, gross profit margin is 20.95%, and net interest rate is 8.49%. Performance forecast: ROE has continuously increased to 10.67% in recent three years, with the latest forecast average of 11.86%.

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.Industrial segmentation: robots

Industrial subdivision: industrial control equipmentMain 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.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.