NIELL.NIELL was established in March 2010 and is headquartered in Xiamen, Fujian Province. With a registered capital of RMB 227.84 million, the company operates from a 15,000-square-meter facility. The company specializes in the R&D and manufacturing of high-end sensors, with product lines covering three major categories: high-reliability piezoelectric sensors (e.g., ultra-high-temperature, ultra-wideband vibration and shock sensors), high-precision MEMS chip sensors (e.g., variable capacitance accelerometers, silicon piezoresistive pressure/acceleration sensors), and a comprehensive range of magnetoelectric sensors (e.g., rotational speed, displacement, and vibration velocity sensors). Additionally, the company provides high-temperature, high-frequency microwave testing systems, wind turbine condition monitoring systems, and elevator condition monitoring systems. Its sensors and systems are widely applied in aviation, marine, rail transportation, and energy industries.