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10 th bestMain 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.The first huichuan technology

Profitability: ROE is 23.89%, gross profit margin is 27.87%, and net interest rate is 16.44%.Main products: general automation is the main source of income, accounting for 46.47% of the revenue and 44.31% 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.

Profitability: ROE is 25.11%, gross profit margin is 29.52% and net interest rate is 14.46%.Performance forecast: ROE fluctuates between 18% and 28% in the last three years, and the latest forecast average is 11.68%.Profitability: ROE is 16.77%, gross profit margin is 84.77%, and net interest rate is 51.10%.