http://hfsensing.com/prodcts.htm

XIXITRONICS ( Hefei XIXI Electronics Co., ltd ) is a professional sensing solution provider. They focus on NTC thermistor and Temperature sensor, mainly applied to HVAC/ R products, medical temperature probes and automotive temperature sensors.
Conveniently located in High & New Tech Zone, Hefei, Anhui, China, XIXITRONICS is an innovative company with an experienced management team which has a long and strong history in NTC thermistor research and development , design and manufacturing, sales and marketing. In automotive sector, they have served brands such as BMW, Volvo, Audi, Citroen, Peugeot, Land Rover and Tesla. In the field of industry and home appliance, they have been suppliers of Bosch-Siemens, Electrolux, Diehl and Fagor. In medical sector, they are the first one in China, for mass production of disposable and reusable medical probes.
All of their products comply with the RoHS Directive and carry SGS approval.