which of the following is not a cryptocurrency- Top Knowledge

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.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.Highlights of the company: Buke Co., Ltd. has launched the third generation frameless torque motor products, which can meet the requirements of miniaturization and lightweight of cooperative robots and humanoid robots.

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.Fifth double-ring driveHighlights 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.

Main 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.9 th Rui di zhi quProfitability: ROE is 24.44%, gross profit margin is 34.79%, and net interest rate is 18.34%.