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Precision Varistor Solutions

Shenzhen Chuang Na Electronics Co., Ltd. – A trusted manufacturer of high-performance MOVs, NTCs, and capacitors since 2010. Delivering surge protection components with UL, VDE, and CQC certifications for global industrial applications.

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2010
Founded
5M RMB
Registered Capital
120M+
Annual Output

About Shenzhen Chuang Na

Shenzhen Chuang Na Electronics Co., Ltd. was established in 2010 with a registered capital of 5 million RMB. As a high-tech private enterprise, we specialize in the research, development, production, sales, and promotion of varistors.

Since our founding, we have adhered to the philosophy that "scientific and technological innovation" is the driving force behind enterprise development. By gathering top talent and focusing on core technology R&D, we continuously improve product quality. Our commitment to "quality first, honest management" has earned us customer trust and strengthened the CVR brand.

  • UL / VDE / CQC Safety Certification
  • 12+ Years of Industry Experience
  • Professional Technical Support
  • Global Export Capability
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Factory Overview

Our Product Range

High-reliability MOVs, NTCs, and capacitors engineered for industrial and commercial applications.

Standard Series MOV

Standard Series MOV

General-purpose surge protection with stable performance

CVR Brand
Industrial Series MOV

Industrial Series MOV

High durability for industrial power systems

Heavy-Duty
Other Series MOV

Other Series MOV

Specialized variants for unique applications

Customizable
NTC Thermistor

NTC Thermistor

Temperature sensing and inrush current protection

Precision
Capacitor

Capacitor

High-stability capacitors for filtering and coupling

Reliable
Blue MOV

Blue MOV

High surge current handling capability

High Performance
Green MOV

Green MOV

Low leakage current, ideal for sensitive circuits

Low Leakage
Lightning Protection Varistor

Lightning Protection Varistor

Designed for outdoor and high-surge environments

Surge Rated
MOV Chips

MOV Chips

Miniaturized surface-mount varistors

SMD
Horizontal Varistor

Horizontal Varistor

Low-profile design for space-constrained PCBs

Compact
Yellow MOV

Yellow MOV

Balanced performance for general electronics

Versatile
Colorful MOV

Colorful MOV

Multiple color codes for easy identification

Easy ID
View Full Catalog

Why Choose CVR Components?

Engineered for reliability, certified for safety, and backed by over a decade of expertise.

Safety Certified

UL, VDE, and CQC certified components ensure compliance with international safety standards.

Industrial Grade

Designed for harsh environments with high surge tolerance and long service life.

R&D Driven

Continuous innovation in zinc oxide varistor microstructure and performance optimization.

Automated Production

Equipped with automatic coating, testing, and production lines for consistent quality.

High Volume Output

Annual production capacity exceeding 120 million units to meet global demand.

Professional Support

Dedicated technical team available for application guidance and product selection.

Our Manufacturing Strength

Advanced facilities and rigorous processes ensure every component meets the highest standards.

Production Workshop

Automated Production Line

Ensures consistency and scalability across high-volume manufacturing runs.

Automatic Testing Machine

100% electrical parameter testing for every batch to guarantee reliability.

Spot Welding & Coating

Precision automated systems for durable connections and protective coating.

Dedicated Test Workshop

In-house lab for surge testing, aging, and environmental stress validation.

Frequently Asked Questions

What is a varistor?

A varistor (voltage-dependent resistor) is a semiconductor device that protects circuits from voltage surges by changing resistance based on applied voltage.

What is the working principle of a varistor?

Under normal voltage, the varistor has high resistance. During a surge, its resistance drops sharply, diverting excess current away from sensitive components.

What are the applications of zinc oxide varistors?

Used in power supplies, industrial equipment, consumer electronics, and lightning protection systems to suppress transient overvoltages.

How do I distinguish between a varistor and a resistor?

A varistor has nonlinear voltage-current characteristics, while a standard resistor follows Ohm’s law (linear). Varistors are typically disk-shaped and marked with voltage ratings.

Do you offer custom varistor solutions?

Yes, we support OEM/ODM projects and can customize varistors based on specific voltage, energy, and size requirements.

Get in Touch

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

Contact Information

+86(0755)29760418
+86 15013735041
[email protected]
B, 11 Floor, Building A, Jingang Technology Zone, Qiaotou, Fuyong Town, Baoan District, Shenzhen, Guangdong, China
Wenzhou Office: C37-303, Wuzhou International Electrical Appliance City, Liushi Town, Yueqing City, Zhejiang
Jieyang Office: Guangdong Chuangman Technology Co., Ltd, Lou Yangwei Industrial Zone, Danpu Village, Dongxing Street, Rongcheng District
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