Dc Contactor,Power relays,shunts,circuit breaker

Who We Are

Professional Manufacturer
of High and Low Voltage DC
Contactors

DONGYA is industrial technology Professional design and manufacture dc contactors manufacturers. We specialize in designing, manufacturing and selling High & Low Voltage DC Rated Contactor, Shunt and Hydraulic Circuit Breaker. Our products are widely used in Telecommunication, EV, Mechanical Engineerings, Power Distributions and etc. We Provide more than 10 production lines , Exported to more than 200 countries and regions.

30% Customized Price Than The Market

Top-notch Processes and Quality

We have passed IATF16949, ISO9001, ISO14001 and ISO45001 certifications. We offer dozens of product series with more than 300 models to meet your specific needs. Global partners rely on our OEM services.

Well-equipped

With more than 10 production lines and advanced production equipment and laboratories, high current dc contactor manufacturers ensures that product quality and delivery speed are at the leading level in the industry.

Experienced team

With 30+ years of experience in the solenoid DC contactor production industry, the dc contactors manufacturers now has more than 300 experienced employees to ensure that the delivery speed of orders is at the leading level in the industry.

Market leading products

Our emphasis on continuous research and development enables us to raise the bar with innovative DC rated contactor products that perform efficiently in a wide variety of applications.

Strict production process

Maintaining strict standards throughout the manufacturing process guarantees industry-leading quality throughout the optimization process from raw materials to finished products.

General service

Always exceeding your expectations, we are committed to providing a fast and seamless product sourcing experience, including project consultation to capture your ideas, custom products for tailor-made solutions, and responsive after-sales support.

News & Exhibitions

Zhejiang Dongya shines at the 15th China International Energy Storage Conference and Exhibition

From March 23 to 26, 2025, the 15th China International Energy Storage Conference and Exhibition was grandly held at the Hangzhou International Expo Center. As a professional device manufacturer in th

Precision in Power: The Essential Role of Shunts in Modern Electrical Systems

In the dynamic world of electrical engineering, accuracy and reliability are non-negotiable. Whether measuring current, protecting equipment, or enabling advanced automation, shunt resistors play a pi

What is the stability of Shunt?

In the field of electrical, the stability of the shunt is critical. This article will thoroughly analyze the factors and test methods that affect their stability, and provide guidelines for precise current measurement

How Does A Dc Contactor Work

In modern industrial and household electrical systems, contactors play a crucial role in controlling circuits. Specifically, DC contactors are essential components in DC (Direct Current) circuits, ensuring the smooth flow of electricity and the safe operation of equipment. So, how does a DC contactor work? What is its function in an electrical system? In this article, we will break down the principles behind DC contactors, helping you understand their applications and importance.