High switching accuracy → clear detection of the selector le spring, 100% new raw materials Contact reliability → stable electrical connection without f Heat-resistant, anti-deformation, oil-resistant, and durable Robustness → resistant to vibrations, temperature, and humid life and stable performance. Durability → many switching cycles without loss of function 2. 3D scanning data collection with dynamic flow calibration Precise OE fitment and accurate pressure control withoutfaul t codes. 3.Alternating high and low temperature testing Reliable operation in extreme cold and high-temperature envi ronments 4.Ultrasonic welded housing Glue-free structure with strong sealing performance and no l eakage. 5.100% leakage inspection before delivery Stable ventilation efficiency and reduced risk of crankcase pressureissues