About Us

Lianyou PLC is a leading Chinese manufacturer and global supplier of Programmable Logic Controllers (PLCs) and industrial automation products. Based in Shanghai, China, we are dedicated to helping industries around the world improve production efficiency, equipment reliability, and automation flexibility.

At Lianyou PLC, our mission is to make high-performance automation solutions accessible and affordable for businesses of all sizes. Whether you're a small factory or a large-scale manufacturer, our PLCs and control components are designed to integrate smoothly into your system, reduce downtime, and increase output.

We offer a wide range of automation products, including:

  • Programmable Logic Controllers (PLCs)

  • Expansion modules and I/O units

  • Custom industrial control solutions

  • Accessories for system integration

With a strong focus on quality, every product is manufactured and tested to meet international standards. Our experienced team ensures that each shipment meets your technical requirements, delivered safely and on time.

We pride ourselves on:

  • 1-year product warranty and 3-month no-fault replacement policy

  • Fast worldwide shipping through FedEx and UPS

  • Clear inventory visibility — if it's listed, it's in stock

  • Professional customer service and technical support

Lianyou PLC is committed to building long-term relationships with global customers by offering reliable products, fast delivery, and responsive service. Let us help drive the future of your industrial automation.