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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.9 th Rui di zhi quMain 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.

4 th core moving LiankeMain products: metal plastic polymer self-lubricating rolled bearings are the main source of income, accounting for 35.03% of the income and 49.33% of the gross profit margin.Di 2 changsheng bearings

Main products: passenger car gears are the main source of income, accounting for 54.67% of the revenue and 23.40% of the gross profit margin.Industrial subdivision: metal productsThe first huichuan technology