No.1

Who are we?

Runkel Electric Heating Technology Co., Ltd. specializes in the R&D, production, sales, and technical service of electric heating solutions. Building on the legacy of Yangzhong Sanhuan Electric Heating Group—a well-established name in the domestic industry—we combine deep-rooted expertise with fifteen years of independent innovation to deliver reliable, high-performance heating solutions to customers worldwide.

Runkel Electric Heating Technology Co., Ltd.

We consistently uphold “Customer-Oriented Innovation” and “Responsible Manufacturing” as our core philosophies. This entails not only providing customers with high-performance and reliable products but also representing our commitment to helping clients enhance energy efficiency and reduce emissions through our electric heating technologies, jointly addressing the challenges of sustainable development. We firmly believe that superior industrial products should go hand in hand with environmental friendliness and social responsibility.

No.2

Our Products

Cast-In Heaters (Aluminum/Bronze)

High-Performance Cast-In Heaters: Precision Thermal Solutions

Flanged & Boiler Heaters

Flanged& Boiler Immersion Heaters: Heavy-Duty Thermal Powerl

Duct & HVAC / Auxiliary Air Heaters

Duct & HVAC / Auxiliary Air Heaters: Precision Airflow Thermal Control

Defrost & Vacuum Heaters

Defrost & Vacuum Heaters: Precision Thermal Solutions for Extreme Environments

Why choose us?

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Runkel Electric Heating Technology Co., Ltd. builds on decades of expertise from Yangzhong Sanhuan Electric Heating Group, with 15 years of independent innovation. Our vertically integrated manufacturing network spans three strategic bases in Shenyang, Shijiazhuang, and Yangzhong. As an ISO9001-certified company, our products meet international explosion-proof standards. We also offer end-to-end services—from consulting to after-sales support—ensuring rapid response and maximum customer value.

Would you like to learn more about our three factories?

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No.4

News

Technical Insight

How to Select the Right Industrial Electric Heating Tube?

An In-Depth Analysis from Material to Power Density

Technical Insight

Hardcore Disassembly: Inside a High-Quality Industrial Electric Heating Tube

Why do electric heating tubes that look similar

Technical Insight

How to Avoid the Risk of “Tube Burst”?

A Brief Discussion on Surface Load Design for

Technical Insight

The “Invisible Killers” of Industrial Electric Heaters: Scale and Carbonization

How do scale and oil coke quietly ruin