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Chengdu Duolin Electric Co., Ltd

  • Address: No.112 Hancheng Road, Xindu Industrial Zone, Chengdu, Sichuan Province, China, Chengdu, Sichuan, China
  • Email: Email
  • Phone: +86-28-83930607

Business description

Duolin electric is a manufacturer of induction heating machine, founded in 1994. We design, build and repair high quality general purpose, turn key and fully automated induction generators, process development, and personalized consulting for each and every one of our clients. Duolin induction heaters can precisely meet your specific needs of induction heating, forging, hardening, brazing, annealing, tempering, hot pipe bending services. Our highly experienced team of designer, electrical and mechanical engineers, application experts and sales representatives stand here ready to serve for you.
Duolin has offered induction heating solution in North America, South American, Europe and most countries in Asia, don't hesitate to contact us for manufacturing or any service at industrial applications, we can bring you not only the machine but full set of service. You will benefit from newest induction heating technology.

About Us
In 1994,the first High Frequency Induction Heating Equipment was developed by Chengdu Duolin Electric's founder, Mr. Zengxiaolin. Now Duolin has about 200 employees, 12, 000 square meters modernized factory, the annual yield is 5, 000 sets.
As a professional induction heating supplier, Duolin designs and produces induction generators in 70 models, which power output ranging from 2kw to 1500kw at frequencies ranging from 0.5 kHz to 1.2 MHz. With 13 national patents, Duolin induction system for industrial induction heating can be applied to any heating process, e. g. forging & forming, brazing, heat treatment, shrinking, bending or hot extrusion.
In 2007, Duolin starts to develop oversea market. Our induction machines sold more than 30 countries such as Canada, USA, Brazil, Argentina, UK, Germany, Poland, Russia, Australian, Singapore, Indonesia, Saudi Arabia, Iran, Kuwait, South Africa mor etc. The number is still increasing….

Latest listings



  • Water Cooling System
    Water Cooling System
    Electrical equipment and components - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Water Cooling System Cooling capacity: 10, 000-700, 000kal/h Application: cooling induction machine power output 10KW-750KW, quenching machine (cooling quenching water) Induction billet heat line IGBT induction heating equipment must work with extern...

  • Hf Xrf Sample Preparation Induction Equipment
    Hf Xrf Sample Preparation Induction Equipment
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    HF XRF Sample Preparation Induction Equipment PLC controlled, Two stations (fusion + molding) chamber with cooling system Four stations (two fusions + two molding) chamber with cooling system High frequency fusion sample preparation equipment is used...

  • Special Induction Equipment
    Special Induction Equipment
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Special Induction Equipment Other application Shrinkage fitting, water boiling, bolt heating, steel plate heating, stub drying, railway rivet heating etc. XRF sample preparation equipment DUOLIN induction power supplies provide heating solutions to v...

  • Ultrasonic Frequency Induction Heating Equipment
    Ultrasonic Frequency Induction Heating Equipment
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Ultrasonic Frequency Induction Heating Equipment Power: 30-160KW Frequency: 10-30 KHz Application: Forging, hardening, elbow, brazing, melting induction melting Feature: Suitable for heating small and medium size parts Applicable in forging, heat-t...

  • High Frequency Induction Heating Equipment
    High Frequency Induction Heating Equipment
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    High Frequency Induction Heating Equipment Power: 7KW/30kw Frequency: 50-200K induction heating Induction heating equipment Application: brazing, hardening, forging, melting Feature: IGBT inversion technology Good for smaller parts Heating Rapidly...

  • Induction Melting Machine
    Induction Melting Machine
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Induction Melting Machine Material: Aluminum, Silver, Gold, Iron ore Fine, Stainless steel Load/unload: Manual Induction heat treatment Feature: No need to purify after the melting Benefit from Lower maintenance costs and machine inventory More sa...



  • Induction Bending Machine
    Induction Bending Machine
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Induction bending machine Bending pipe: diameter 168mm-762mm, wall thickness 6-40mm Power output: 100-750KW Bending Type: pipe, square tube, rectangle tube, beam Material: carbon steel, stainless steel, alloy steel induction hardening machine Feature...

  • Induction Brazing And Welding Machine
    Induction Brazing And Welding Machine
    Manufacture of electrical goods and precision instruments - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Induction Brazing & Welding Machine Power supply: 7kw-800kw Subsidiary: filler (silver/copper) &Flux Application: saw blades, carbide tip, Cooper tube, Aluminum parts, Rotor, induction forging We offer induction heating equipment ranging from...

  • Long Bar Induction Heat Treatment Machine
    Long Bar Induction Heat Treatment Machine
    Manufacture of electrical goods and precision instruments - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Long bar induction heat treatment machine Application: Continuous hardening and tempering Part: long bar, threaded rod Size: 6-100mm Length: 1000-14000 Grade: 8.8, 10.9, 12.9 Material: Carbon steel, alloy steel induction brazing & welding machine...

  • Induction Hardening Machine
    Induction Hardening Machine
    Electronic manufacturing machinery - Chengdu Duolin Electric Co., Ltd - China - November 14, 2016 - 1.00 Dollar US$

    Induction Hardening Machine Frequency: 0.5-250KHz Hardening Depth: 0.8-10mm Mechanical Fixture: CNC or PLC Control Application: gear, shaft, pipe, bearing, pump fitting, steel plate, roller. Feature: The main benefit of induction heating for hardenin...



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