Leading Potentiometer Manufacturer in China Since 2016

Perpetual Electronic is a trusted supplier of high-quality rotary, slide, linear potentiometers and encoders. With ISO and ROHS certifications, we serve 500+ global partners across 100+ countries.

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Your Expert Potentiometer Supplier

Changzhou Perpetual Electronic Technology Co., Ltd., founded in 2016, is a professional manufacturer of various types of potentiometers, encoders, and related components. As an export-oriented enterprise, we are committed to innovation and quality, ensuring our products meet international standards including ROHS.

With over 20 product series and more than 100 specifications, our advanced automatic production equipment and skilled team allow us to deliver reliable, high-performance components tailored to your needs.

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Why Perpetual is Trusted by 500+ Global Partners

We combine scale, expertise, and innovation to deliver unmatched value.

Self-Owned Factory

20,000 m² facility with advanced automation and a skilled production team.

Quality Management

ISO & SGS certified. Every product tested before delivery. ROHS compliant.

One-Stop Solution

From design to delivery, we streamline your supply chain with fast turnaround.

Customized Design

OEM/ODM services available. Small MOQs accepted. Send us your specs.

R&D Excellence

15+ senior engineers dedicated to innovation and custom solutions.

Global Export Experience

Successfully exported to over 100 countries with reliable logistics.

Our Potentiometer Products

High-quality, durable, and customizable potentiometers for industrial, automotive, and consumer applications.

16mm Metal Shaft Potentiometer With Switch

Durable metal shaft with integrated switch. Ideal for industrial controls.

17mm Insulated Shaft Potentiometer

Insulated shaft design for safety and reliability in sensitive applications.

16mm Rotary Potentiometer With Push-On Switch

Compact design with push-on functionality. Perfect for audio and control panels.

Rotary Encoder

High-precision rotary encoder for digital control systems and instrumentation.

Rotary Switch

Multi-position rotary switch for complex circuit control and selection.

9mm Metal Shaft Potentiometer

Miniature size with metal shaft. Ideal for compact electronic devices.

Car-Use Slide Carbon Potentiometer

Designed for automotive applications with smooth slide action and durability.

Linear Potentiometers (9mm)

Precision linear control with compact 9mm design. Suitable for audio and industrial use.

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Can't Find the Ideal Potentiometer?

We provide custom solutions to all our customers. Whether you need a unique size, resistance curve, or switch integration — we can design it.

Free samples available upon request.

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Frequently Asked Questions

Do you offer OEM/ODM services?

Yes, we provide full OEM/ODM services including custom branding, packaging, and design modifications.

What certifications do your products have?

Our products are ROHS compliant and our factory has passed ISO and SGS certifications.

Can I get free samples?

Yes, we offer free potentiometer samples for qualified customers. Visit our website to request.

What is your minimum order quantity?

We accept small MOQs and even prototype orders. Contact us with your requirements.

How long does production take?

Standard orders ship in 15–20 days. Custom designs may vary. We prioritize fast turnaround.

Get in Touch

Ready to start a project or have questions about our potentiometers? We're here to help.

Visit Official Website to Contact

All inquiries are handled through our official website. No fake forms — just direct access to the source.

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