... ;2. Usage of two stepper motors;3. Speed range and rpm range can be lower or higher;4. ... design a.Body component containing the instrument panel and the ignition switch. b.Switch activated by a ... piston ring set, magneto, clutch, starter motor, gasket, and so on. 3.Supply all kinds of body parts, ... plastic cover, head light, shock absorber, wheel rims and so on. 4. Supply kinds of high performance/chrome ...