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Precision Relays for Modern Applications

NBC Relays manufactures high-performance electromagnetic relays for industrial, automotive, and consumer electronics. Trusted by engineers worldwide for reliability, durability, and innovation.

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About NBC Relays

Ningbo Baocheng Electronics Co., Ltd. is a high-tech enterprise specializing in the research, development, and mass production of electromagnetic relays.

NBC Relays Factory

Company Profile

Our factory is located in Yuyao City, Zhejiang Province — a prosperous and beautiful region in Jiangnan. With over 8,000 m² of modern production space, we integrate advanced domestic and international technologies.

We operate under the ISO9001:201 international quality management system and have developed more than 10 automated production lines to ensure consistent quality and high-volume output.

NBC Relays has built a local service network across multiple countries and regions, enabling global market operations and technical support for clients in industries ranging from home appliances to new energy systems.

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Our Relay Products

Engineered for performance, durability, and precision — our relays serve a wide range of industrial, automotive, and consumer applications.

Power Relay

Power Relays

Designed for high-current switching in household appliances and industrial equipment. Ideal for electric cookers, refrigerators, air conditioners, inverters, and welding machines.

  • • High load capacity
  • • Long electrical life
  • • Stable performance under heat
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Telecom Relay

Telecom Relays

High-sensitivity relays with excellent working stability and compact size. Used in signal control, data transmission, and network equipment.

  • • Low power consumption
  • • Long operational lifespan
  • • Small footprint
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Automotive Relay

Automotive Relays

Built to withstand harsh environments and rigorous switching demands in vehicles. Used across powertrain systems, lighting, HVAC, and safety modules.

  • • Vibration-resistant design
  • • Wide temperature range
  • • High reliability in extreme conditions
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Latching Relay

Latching Relays

Bi-stable relays that maintain state without continuous power. Ideal for energy-saving applications and remote control systems.

  • • Low power consumption
  • • Memory function
  • • High switching endurance
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Signal Relay

Signal Relays

Used for low-voltage signal switching in control circuits, automation systems, and communication devices.

  • • Fast response time
  • • High insulation resistance
  • • Compact design
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AC Relay

AC Relays

Designed for alternating current applications in motors, compressors, and HVAC systems.

  • • Arc suppression technology
  • • High dielectric strength
  • • Reliable under inductive loads
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High-Voltage Relay

High-Voltage Relays

Engineered for new energy battery systems, EV charging stations, and solar inverters.

  • • Up to 1000V DC rating
  • • Hermetically sealed
  • • Safe interruption under load
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Miniature Relay

Miniature Relays

Ultra-compact relays for space-constrained PCB applications in consumer electronics and IoT devices.

  • • Sub-10mm height
  • • Surface mount options
  • • High reliability
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Why Choose NBC Relays?

We combine innovation, quality, and global support to deliver superior relay solutions.

99.9%

Reliability Rate

Our relays undergo rigorous testing to ensure consistent performance across millions of cycles.

8,000+

m² Factory

Modern production facility with advanced automation and strict quality control systems.

10+

Auto Lines

Fully automated production lines ensure consistency, speed, and scalability.

ISO9001

Certified

Compliant with international quality standards for consistent product excellence.

150+
Global Clients
20+
Years Experience
50M+
Units Produced

Frequently Asked Questions

What is a relay?

A relay is an electrically operated switch that uses an electromagnet to mechanically control the opening and closing of one or more sets of contacts. It allows a low-power signal to control a high-power circuit.

Where are your relays manufactured?

All NBC relays are designed and manufactured at our facility in Yuyao City, Zhejiang Province, China, under strict ISO9001 quality standards.

Do you offer custom relay solutions?

Yes, we provide OEM and ODM services. Our engineering team can customize relays based on voltage, current, size, and environmental requirements.

What industries use your relays?

Our relays are used in home appliances, industrial automation, automotive systems, new energy (EV, solar), telecom infrastructure, and consumer electronics.

How can I request samples?

Please visit our official website to request product samples or contact our sales team directly.

Get in Touch

Reach out to our team for product inquiries, technical support, or partnership opportunities.

Company: Ningbo Baocheng Electronics Co., Ltd.

Address: No.88, Fengyi Road, Yuyao City, Ningbo, Zhejiang Province, China

Phone: +86 157 2429 5508

Office: +86 574 6282 4561 / +86 6282 4561

Fax: +86 574 6259 2167

Email: [email protected], [email protected]

Skype: Lois Wei

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