Dongguan ZhengYang Electronic Mechanical Ltd. is one of the world's largest manufacturers of liquid level sensors, AdBlue sensors in SCR system and gauges, located in Guangdong Province, China. Our products are widely used for the automotive, marine, airline, GPS, heavy duty cars in industrial and agricultural equipments. We are one of the largest providers of quality level sensors and gauges in the world. The quality and market share are far exceed those of our competitors, with distributors mainly in Asia, America, and Europe.

We are among the first in our industry to have obtained the ISO/TS16949, ISO14000, CE, PED, AD2000, etc. Certifications. Our quality management system is apply with international standards.

We have an excellent Research and Development team that are over 10% of ZhengYang's personnel and are constantly working with companies like Mercedes-Volvo, Scania, Renault, etc to develop the latest products. 30+ years professional experience, in conjunction with our dedicated R&D team and our newest facility, allows us to be on the leading edge of designs for sensors, gauges and other related products.