Relay Manufacturer in China

ATO is incorporated with the manufacturing and sales of solid state relays, electromagnetic relays, signal relays, timer relays, overload relays, has become one of the main relay suppliers in China.

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Specialized in Custom R&D, Production and Sales of Electronic Relays

As one-stop relay solution supplier with over 15+ years of experience, ATO offers a wide selection of quality relay products at wholesale price!

Solid State Relay

A SSR relay is an electronic device that controls electrical circuits without using traditional mechanical switches.

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Electromagnetic Relay

An electromagnetic relay is an electrical switch that uses an electromagnet to control the flow of current in a circuit.

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Monitoring Relay

A monitoring relay is an electrical device that senses specific conditions in a system, such as voltage and current.

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Thermal Overload Relay

A thermal overload relay is an electrical device that protects motors from overheating by monitoring their current.

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Manufacturing Standard & Customized Relays

ATO has a modern production base which can manufacture more than 30 relay series and thousands of standard models to meet customers' individual needs. We also have the Chinese most advanced management, technical support and service team to customize our electronic relays with different current, voltage, power and other specifications according to your special needs.

Our millions of stock are available for same day delivery at the earliest to guarantee your delivery time. All relays have been scientifically tested and reasonably priced, and are available directly from ATO factory, ensuring you get a cost-effective choice with stable performance, safety and durability at an affordable price.

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ATO Relays for Your Car

ATO has been working in the automotive relay industry and has maintained stable relationships with world-renowned automotive manufacturers for nearly 10 years. ATO provides automotive relays, 48V relays, charging modules, high-voltage DC relays, and relays for general-purpose modules, which can be widely used in fuel vehicles, new energy vehicles, special vehicles, motorcycles etc. Buy ATO relays for your car now!

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Who Are We?

ATO, a high-tech factory established in China, is also a supplier of professional relay design, with diversified product designs. Such as electromagnetic relays, solid state relays and time relays, etc. ATO has rich manufacturing experience in the field of innovative relay development.

What Are We Doing?

Our factory is dedicated to the production and innovation of relays and expanding diversified business areas. We can provide customers with customized and integrated pre-sales and after-sales services. Manufacturing different types of good quality relays for customers.

What Can We Do For You?

1.Customization, start from product development to client receipt.
2.Reliable after-sales, such as operation, warranty, etc.
3.OEM/ODM service, such as different current, voltage, power, etc.

Factory Workshop Display

15 years of electronic relay manufacturing experience, provided great customization services for more than 36 industries.
Passed CE certification and dust-free treatment of production workshops.