Xuzhou Jingying Electronics Technology Co.,Ltd. is leading producer of Digital Thermometer and Hygrometer, Micro-computer Temperature Controller, Temperature Patrolling Instrument, Temperature Recorder, and Halogen leak detector etc. We have passed ISO9001:2000 certificate and CMC,CE,UL approvals. our products export to more than 40 countries, and also we provide measuring and controlling thermostats for refrigeration manufactory.