Dong Guan Zheng Yang Electronic Mechanical Ltd founded in 1984 with more than 50, 000m² Is one of the world's largest manufactories of liquid level sensor, AdBlue sensor and gauge. Our products are widely used for the automotive, marine and industrial equipments.

A strong research and developed team.
We have an excellent research and developed team that are over 10% of Zheng Yang's personnel and are constantly working with the world famous automotive vehicle and marine companies. Our 30 years of professional experience with our newest facility allows us to be on the leading edge of designs for sensors, gauges and other related products.

Excellent quality system
We have obtained the certification of ISO/TS 16949, ISO 9001, ISO 14001, CE, OED+AD 2000 etc as long as we started the relative business. Our quality management system is full according to the international standards.

Perfect training system
Zheng Yang has plenty of training resource. The perfect training system makes our staff can improve themselves synchronously with the company developing. Providing this training we are able to ensure the running projects go more smoothly.

International cooperation
The company introduced the international cooperation to get the best solution for customers. We do the best design and the test for the new products together with the world famous automotive vehicle and yacht companies. With the untiring efforts of the team, we share the invented harvest with customers.