1 More than 20 years of experience in induction heating industry.
2 Free test for choosing the machine model before purchase.
3 Product design research develop and maintain by the Duolin Engineer team,machine lifetime service.
4 Test the machine as customer heating requirements and aging more than 6 hours to guarantee the good quality.
5 Offer installation manual and troubleshooting guide .
6 Use famous brand components Infineon Omron Schneider to ensure quality of material
  • China Wholesale Bolt Induction Heater Suppliers - Induction coil&Inductor – Duolin

    China Wholesale Bolt Induction Heater Suppliers - Induction coil&Inductor – Duolin

    Products Description Duolin designs and produce custom induction coils. Induction coil is the output work head of the induction heating system, also called inductor. Induction coil use to connect the induction heating machine with the heating workpiece,it is made of cooper tube usually,can be use for induction hot forging,brazing,induction quenching and pipe bending…. Induction coil is a critical component of the induction system. Coil’s inductance should match with heating machine, to a...
  • China Wholesale Industrial Heating Systems Pricelist - Integrated Induction Power Unit – Duolin

    China Wholesale Industrial Heating Systems Pricelist - Integrated Induction Power Unit – Duolin

    Products Description Integrated induction heaters is high performance at billet hot forging, matching with step feeder, chain delivery and three channel sorters, make up fully automatic production line which is high availability and heating efficiency. The induction generator are modular design, easily maintained, LED lights instruct user to find the fault and change the broken parts, All the components are designed for long work time and easily replace. Advanced converter technology ena...
  • China Wholesale Oem High Frequency Induction Heating Furnace Factories - Induction Annealing machine – Duolin

    China Wholesale Oem High Frequency Induction Heating Furnace Factories - Induction Annealing machine – Duolin

    Products Description Induction annealing is a kind of heat treatment by induction heater, heat stainless steel or copper to a specified temperature and then cooling at a rate that will produce a refined microstructure. Using Induction heating, metal can be rapidly heated to temperature at controlled an repeated cycles without contacting the metal target, material are usually cooled in open air. The results to change the material’s  hardness and strength or other physical properties. T...
  • China Wholesale Induction Welding Copper Manufacturers - High frequency induction heating machine HGP-50 – Duolin

    China Wholesale Induction Welding Copper Manufacturers - High frequency induction heating machine HGP-50 – Duolin

    Products Description Power 30-300KW Work  Frequency 50-250Khz Digital display Constant power and current output Safe,Low voltage output PLC interface available for automatic work Wide inductance to connect with different heating coil 8 fault indicators to protect machine Water cooled induction power unit and transformer Technical parameter Model HGP-30 HGP-50 HGP-100 Rated Power Output 30KW 50KW 100KW Working Frequency 50-250Khz 200-400Khz 50-130Khz ...
  • China Wholesale Induction Hardening Coil Quotes - induction hardening machine – Duolin

    China Wholesale Induction Hardening Coil Quotes - induction hardening machine – Duolin

    Products Description Induction hardening  is a form  of heat treatment in which a metal part is heated by electromagnetic induction and then quenched, increase the hardness and brittleness of metal part. Induction hardening equipment is widely used for the surface or inner hardening of steel. Induction hardening process can be done in two different ways: static and scan hardening Advantages of Induction hardening • No physical contact hardening • Scan/ Stationary hardening • Short t...
  • China Wholesale High Frequency Heating Machine Pricelist - Induction bending machine – Duolin

    China Wholesale High Frequency Heating Machine Pricelist - Induction bending machine – Duolin

    Products Description Induction pipe bending process uses induction coil heats a narrow, circumferential section of the pipe to a temperature 850-1100 degrees Celsius (dependant on the material to be formed), the pipe is moved slowly through the induction coil whilst the bending force is applied by a fixed radius arm arrangement. Induction hot bender is known for its high quality, accuracy bending and cost savings. Induction bends provide bending of large sections – particularly pip...
  • China Wholesale Induction Heating Machine Factories - Integrated Induction Power Unit – Duolin

    China Wholesale Induction Heating Machine Factories - Integrated Induction Power Unit – Duolin

    Products Description Integrated induction heaters is high performance at billet hot forging, matching with step feeder, chain delivery and three channel sorters, make up fully automatic production line which is high availability and heating efficiency. The induction generator are modular design, easily maintained, LED lights instruct user to find the fault and change the broken parts, All the components are designed for long work time and easily replace. Advanced converter technology ena...
  • China Wholesale Induction Hardening Manufacturers - low frequency induction heating equipment – Duolin

    China Wholesale Induction Hardening Manufacturers - low frequency induction heating equipment – Duolin

    Products Description 1: Work Principle: electromagnetic induction heating. 2. IGBT module and Inverting technology 3. Stable reliable and low maintenance cost. 4. 100% duty cycle, continuous working when maximum power output. 5. Digital Display of output power and heating current and work frequency. 6. Simple to install.  Offer documents help for installation and operation 7. Application: billet preheating before forging,induction hardening,pipe heating for bending 8: Low frequency high ...
  • China Wholesale Long Bar Induction Heat Treatment Machine Manufacturers - 100-160KW low frequency induction heating generator – Duolin

    China Wholesale Long Bar Induction Heat Treatment Machine Manufacturers - 100-160KW low frequency induction heating generator – Duolin

    Products Description Certification  CE  ISO9001 2105 Brand  Duolin Warranty  1 Year Production capacity  10 set one month HS Code  8514400090 1:100-160 KW Induction Heating Equipment adopts the IGBT inverter circuit in series connection, which has high heating efficiency 2. High power, fast heating speed, high efficiency and easy operation. 3. The comprehensive full load design is available for 24-hour continuous operation. 4: 160KW IGBT Solid state induction converter, the...
  • China Wholesale Induction Heater For Forging Quotes - Induction forging machine – Duolin

    China Wholesale Induction Heater For Forging Quotes - Induction forging machine – Duolin

    Products Description Induction forging refers to use an induction heater to pre-heat metals before forging and forming.  Typically metals are heated to between 1,100 and 1,200 °C to increase their malleability and aid flow in the forging die. Induction produces less oxidation, easy to control heating temperature and time, heat rapidly, ensure good quality of forging work piece, protect tool of forging machine. Induction billet heating line for total heating Induction heating equi...
  • China Wholesale Three Phase Induction Machine Suppliers - Long bar heat treatment machine – Duolin

    China Wholesale Three Phase Induction Machine Suppliers - Long bar heat treatment machine – Duolin

    Products Description Long bar heat Treating is induction heating for bar hardening and tempering. Heat treatments available by induction hardening and tempering system, process includes heating and quenching, tempering and stress Relieving. Duolin long bar heat treating line can process bar diameter from 6-100mm, length from 1000-14000, meet small & big production capacity. Feature Environmentally-friendly:The main power for the induction heat treatment line is electric...
  • China Wholesale Shaft Induction Hardening Machine Suppliers - induction hardening machine – Duolin

    China Wholesale Shaft Induction Hardening Machine Suppliers - induction hardening machine – Duolin

    Products Description Induction hardening  is a form  of heat treatment in which a metal part is heated by electromagnetic induction and then quenched, increase the hardness and brittleness of metal part. Induction hardening equipment is widely used for the surface or inner hardening of steel. Induction hardening process can be done in two different ways: static and scan hardening Advantages of Induction hardening • No physical contact hardening • Scan/ Stationary hardening • Short t...
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