8/1/2021 · Battery Electric Vehicles (BEVs) also known as New Energy Vehicles (NEVs) are made up of three main segments: the traction motor, the battery pack, and the electrical control units. EMP Die Casting is a electric car parts manufacturer, and we specializes in not only the production of thePerfectr BEV/NEV parts, but also the smaller sub-assemblies that make up each segment of the vehicle.