Advanced Induction Heating Solutions
Over 20 years of expertise in high-efficiency, energy-saving electromagnetic induction heating machines for forging, hardening, bending, and more.
Explore ProductsThis page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.
Over 20 years of expertise in high-efficiency, energy-saving electromagnetic induction heating machines for forging, hardening, bending, and more.
Explore ProductsFounded in 1994 in Chengdu, China, Duolin Electric Co., Ltd. has pioneered innovation in electromagnetic induction heating technology. With over 20 years of industry experience, we deliver reliable, efficient, and eco-friendly heating solutions worldwide.
Duolin was founded by Mr. Zeng Xiaolin and his wife, who developed the first IGBT solid-state induction heating machine in China. Starting as a small team, Duolin has grown into a company with over 200 employees and sales centers across ten provinces.
In 2007, we established our international sales center, opening markets globally. Our mission is to replace traditional heating methods like gas and coal with fast, green, and energy-saving electromagnetic induction technology.
Engineered for precision, durability, and efficiency. Explore our range of induction heating machines, power units, and cooling systems.
For gear, shaft, pin hardening (depth 0.5–2mm); chain heat treatment.
Ideal for saw blades, carbide tips, small parts soldering, and gold/silver melting.
Designed for deep heating and large billet applications.
All-in-one solution with built-in power supply and inductor.
High-efficiency heating with soft-switch technology.
Ensures optimal temperature control for continuous operation.
Vertical/horizontal models for shafts, gears, rollers, pipes, and more.
For carbon, stainless, and alloy steel pipes (168–1000mm diameter).
For continuous hardening & tempering of threaded rods and long bars.
Duolin induction heating systems are trusted across industries for precision, speed, and energy efficiency.
Pre-heating billets to 1100–1200°C for improved malleability, reduced oxidation, and consistent quality.
Surface hardening of shafts, gears, and mechanical parts for enhanced durability and wear resistance.
Precise, flame-free bending of pipes and tubes with controlled heat zones and minimal distortion.
Softening metals to improve ductility and reduce internal stresses after cold working.
Our engineering team provides ongoing design, research, development, and maintenance support for the life of your machine.
Each machine undergoes over 6 hours of aging tests and performance validation before shipment.
With an international sales center since 2007, Duolin serves customers in over 30 countries.
We use top-tier brands like Infineon, Omron, and Schneider for reliability and longevity.
We offer free machine testing to match your specific heating requirements before purchase.
Comprehensive installation manuals and troubleshooting guides included with every system.
For inquiries about our products or pricing, please visit our official website to contact us directly.
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