Tzone Digital Technology Co., Ltd., established in 2006, is a hi-tech enterprise in Shenzhen China. We are specialized in producing all kinds of temperature monitoring products and IoT devices, such as USB temperature data logger, Bluetooth temperature and humidity data logger, wireless temperature gateway and sensor, transmitter and food thermometer. All the

products are widely used in cold chain logistics, pharmaceutical and drug distribution, temperature control and monitoring of freezers, warehouses, workshop, greenhouse, HVAC, kitchen and catering industry.