Dongguan ZhengYang Electronic Mechanical Ltd. is one of the world's largest manufacturers liquid level sensors and AdBlue gauges. Our products are widely used for automotive, marine, airline industrial equipments. We providers quality gauges in world. The market share far exceed those ...

Our company keeps commitment to the research, production and sales of high quality electronic products as one high-tech oriented companies. pursues excellence in product quality, adhering concepts green energy strong R&D. strengthens cooperation with European American multinational ...