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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.Performance forecast: ROE fluctuated between 24% and 26% in the last three years, and the latest forecast averaged 12.00%.Di 2 changsheng bearings

Main products: stepping system is the main source of income, accounting for 43.32% of the income and 38.02% of the gross profit margin.Di 2 changsheng bearingsTop ten enterprises with profitability of core components of humanoid robots;

Profitability: ROE is 16.55%, gross profit margin is 39.15%, and net interest rate is 15.19%.8 th keli sensingIndustrial subdivision: instruments and meters