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 Induction Forging Power Supply Manufacturers - 250KW induction heater – Duolin

    China Wholesale Induction Forging Power Supply Manufacturers - 250KW induction heater – Duolin

    Products Description 1:Good start up performance:IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2:Less indterface to power grid:Less harmonic current and high power factor,Power factoer remaining 0.95 above during machine running 3:Low energy consumption: in series resonant circuit,voltage at inductor high and current low so energy loss is very low ;Soft switch technology applied then switch loss is very low 4:Water coole...
  • China Wholesale Induction Heating Aluminum Quotes - Integrated Induction Power Unit – Duolin

    China Wholesale Induction Heating Aluminum Quotes - 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 Welding Machine Pricelist - Integrated Induction Power Unit – Duolin

    China Wholesale Induction Welding Machine 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 Induction Forging Furnace Manufacturers - Long bar heat treatment machine – Duolin

    China Wholesale Induction Forging Furnace Manufacturers - 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 Heat Treatment Machine Suppliers - low frequency induction heating equipment – Duolin

    China Wholesale Heat Treatment Machine Suppliers - 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 Billet Heater Pricelist - Integrated Induction Power Unit – Duolin

    China Wholesale Billet Heater 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 Billet Heating Furnace Quotes - Induction soldering&welding machine – Duolin

    China Wholesale Billet Heating Furnace Quotes - Induction soldering&welding machine – Duolin

    Products Description Induction brazing is a process in which two or more materials are joined together with a filler metal by induction heating. Induction brazing is suitable for many metallic materials, with magnetic materials being heated more readily. There is specific benefit use induction heating for industrial brazing 1. Better joint quality because selective heating. 2. Reduced oxidation and acid cleaning 3. Faster heating cycles 4. Consistent results 5. Suitability for large...
  • China Wholesale High Frequency Heater Factories - Induction soldering&welding machine – Duolin

    China Wholesale High Frequency Heater Factories - Induction soldering&welding machine – Duolin

    Products Description Induction brazing is a process in which two or more materials are joined together with a filler metal by induction heating. Induction brazing is suitable for many metallic materials, with magnetic materials being heated more readily. There is specific benefit use induction heating for industrial brazing 1. Better joint quality because selective heating. 2. Reduced oxidation and acid cleaning 3. Faster heating cycles 4. Consistent results 5. Suitability for large...
  • China Wholesale Induction Brazing Machine Quotes - Induction forging machine – Duolin

    China Wholesale Induction Brazing Machine 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 Induction Forging Furnace Manufacturers - Induction Annealing machine – Duolin

    China Wholesale Induction Forging Furnace Manufacturers - 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 Brazing Copper Pipe Quotes - Closed type – Duolin

    China Wholesale Induction Brazing Copper Pipe Quotes - Closed type – Duolin

    Closed type Cooling water shall be free from impurities. DOT NOT use well water or river water .To prevent the scale formation, ensure good cooling result, and greatly reduce the failure rate,Soften Water or Distilled Water are strongly recommended as cooling water for induction equipment. Water or air cooling is very important for induction heating device, improves reliability of induction heating equipment, ensure the induction machine working long time and stable. it is easy to insta...
  • China Wholesale High Frequency Induction Treating Furnaces Quotes - 250KW induction heater – Duolin

    China Wholesale High Frequency Induction Treating Furnaces Quotes - 250KW induction heater – Duolin

    Products Description 1:Good start up performance:IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2:Less indterface to power grid:Less harmonic current and high power factor,Power factoer remaining 0.95 above during machine running 3:Low energy consumption: in series resonant circuit,voltage at inductor high and current low so energy loss is very low ;Soft switch technology applied then switch loss is very low 4:Water coole...
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