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

How do shunts work? A comprehensive guide to current measurement

How to Select the Right DC Contactor for Electric Vehicles

DC contactors are key components in electric vehicles (EVs), ensuring safe and efficient power distribution between the battery pack, motor controller, and charging system. Selecting the right EV contactor requires evaluating voltage rating, current capacity, switching performance, and environmental durability. This guide explores the key factors to consider when selecting a DC contactor for EV applications.

Understanding High Current Shunt Resistors for Precision Amperemeter Measurements

IntroductionHigh current shunt resistors, often called high current ammeter shunts, are essential components in electrical measurement systems. They enable accurate measurement of high currents by con

Dongya Electronics Showcases at the 13th Energy Storage International Summit and Exhibition in Beijing

Zhejiang Dongya Electronics Co., Ltd. participated in the 13th Energy Storage International Summit and Exhibition held in Beijing from April 9 to 12, 2025, showcasing its main products including high-