Speed-Adjustment Resistance Used in auto climate controll,adjust the strength of air-out. UL, TUV, CCC, RoHS, ISO9001-2008 World's biggest NTC temperature sensor provider,our products have occupied over 80% market in domestic.Our customers including Carrier,Samsung,LG etc and all domestic brands.Speed-Adjustment ResistanceUsed in auto climate controll,adjust the strength of air-out.UL, TUV, CCC, ...