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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 fluctuates between 12% and 21% in the last three years, and the latest forecast average is 10.13%. Main products: MEMS gyroscope is the main source of income, accounting for 89.37% of revenue and 82.42% of gross profit margin.4 th core moving Lianke

9 th Rui di zhi quPerformance forecast: ROE has continuously decreased to 21.66% in recent three years, and the latest forecast average is 17.93%.8 th keli sensing

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 fluctuates between 11% and 13% in the last three years, and the latest forecast average is 11.39%.10 th best