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This online resource, QAGetech.com, is dedicated to providing engineering simulation software and machine fault diagnosis solutions. The home page introduces two main products: SilentRoll and nvhGeek. SilentRoll is a tire noise simulation software used by tire design engineers to efficiently create noise simulation models for the rolling tire and road interaction. It is globally utilized to meet the UN ECE Regulation No. 117, which mandates the lowering of tire noise. nvhGeek, on the other hand, is an intelligent software tool with vibration sensors and data acquisition hardware, used for machine fault diagnosis or end-of-line testing. It analyzes vibration data for various machine subsystems, such as gearboxes, motors, bearings, and engines, and provides easily understandable and actionable feedback for operations teams. nvhGeek also serves as an end-of-line testing