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Reliable Relay Solutions
Engineered for Performance

Premium automotive and industrial relays manufactured in China. High-reliability, waterproof, and durable electromagnetic relays for global applications.

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About HKNB Relays

Ningbo Yinzhou Hongke Electronic Component Factory is a modern enterprise specializing in the development, production, and sales of high-quality relays. Founded in 2003 and located in Ningbo, Zhejiang Province, China, we have over two decades of experience in relay manufacturing.

Our core product lines include automotive relays, electromagnetic relays, electronic relays, protective relays, solid state relays, and industrial control relays. These components are widely used in automation systems, instrumentation, automotive electronics, household appliances, and industrial machinery.

ISO-Certified Manufacturing Processes
20+ Years of Industry Experience
OEM & Mold Customization Services Available
Relay Product Relay Close-up Industrial Relay Relay Assembly

Our Product Range

High-performance relays designed for automotive, industrial, and electronic applications. All products meet international quality standards with excellent reliability and durability.

Waterproof Automotive Relay

Waterproof 5-Pin Relay

12V DC, IP67 Rated, Automotive Grade

Model: HK01092 USD 0.40–0.45
High-Power Relay

80A High-Power Relay

12V AC/DC, 80A Load Capacity

Model: HK01293 USD 0.64–0.70
DC Automotive Relay

12V DC Automotive Relay

High Efficiency, Low Power Consumption

Model: HK01315 USD 0.57–0.62
Dual Channel Relay

2x30A All-Metal Relay

12/24V Dual Output, Metal Enclosure

Model: HK Series High Reliability
Precision Relay

6-Pin Waterproof Relay

High-Precision, Sealed Design

Model: Custom OEM Available
General Purpose Relay

420W General Purpose Relay

Versatile Use in Automotive Systems

Model: HK Series High Stability

Solid State Relays

No Moving Parts, Long Lifespan

Various Models Customizable

Magnetic Latching Relays

Low Power Hold, Bi-Stable Operation

Energy Efficient OEM Support

We offer over 76 product variations with customization options.

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Why Choose HKNB Relays

Engineered for performance, durability, and precision — our relays meet the highest standards in the industry.

High Reliability

Tested for 100,000+ cycles with stable performance under extreme conditions.

Waterproof Design

IP67-rated enclosures ensure protection against dust and water ingress.

OEM & Customization

Mold customization and tailored solutions for unique application needs.

Global Compliance

Products meet international standards including CE, RoHS, and ISO requirements.

20+
Years Experience
76+
Products
100K
Units/Month
50+
Global Clients

Frequently Asked Questions

What types of relays do you manufacture?

We specialize in automotive relays, electromagnetic relays, solid state relays, protective relays, voltage/current controlled relays, industrial relays, and magnetic latching relays. We also offer OEM and mold customization services.

Are your relays waterproof?

Yes, many of our automotive relays are designed with waterproof enclosures meeting IP67 standards, making them suitable for harsh environments and outdoor applications.

Can you provide custom relay solutions?

Absolutely. We offer full OEM support and mold customization to meet specific voltage, current, size, and environmental requirements for your application.

What certifications do your products have?

Our manufacturing processes and products comply with ISO standards, CE, and RoHS directives, ensuring quality and environmental safety.

Get in Touch

Reach out for product inquiries, quotations, or technical support.

Contact Information

Mr. nbhongke (Sales Representative)
Mobile: 15557866273
No.893, Wuxiang East Road, Yinzhou District, Ningbo, Zhejiang, China
Website: hkrelay.com
Bossgoo Store: Visit Store

Send Us a Message

For inquiries about our relays, pricing, or customization options, please visit our official website to submit your request.

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