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For the automotive core powertrain industry (engine, transmission, axle), to provide the whole line design, manufacturing, installation, commissioning of turn-key engineering solutions. The assembly and test system is designed in a compact and flexible way to meet the requirements of multi-machine flexible production and multi-attitude with high precision under the condition of satisfying the station and cycle time. Through the adoption of high and new technology, the assembly line has become more automated, intelligent and flexible, thus successfully realizing the upgrade of intelligent manufacturing.