PRESTON was established in Shenzhen, China in 2012. The company is mainly engaged in product development, production, sales and technical services of NOx sensors, driving recorders, helmet Bluetooth headsets. We have introduced lean automated sensor chip professional equipment, product production equipment, and testing equipment from Germany, the United States, Japan and other countries. In strict accordance with ITAF16949-2016, GB/T19001-2016 idt ISO9001:2015, GBT24001-2016 idt ISO14001:2015, GB/T45001-2020 idt ISO45001:2018 and other industry quality management system standards, it is our responsibility to objectively evaluate and ensure product quality With mission, we strive to be one Production capacity: 500,000 sets (year) of NOx sensors, 500,000 sets (year) of Bluetooth headsets for motorcycle helmets, and 500,000 sets (year) of motorcycle driving recorders.