Billet Industrial Induction Heater For Hot Foring Rod Forging Process

Duolin is a renowned brand of Induction Heating Machines in China, established in 1996. With over 20 years of experience in induction heating, we specialize in IGBT series resonance technology that saves energy. Our equipment ranges from 7-1500KW with frequencies of 0.5-250KHz, widely used for hot forging, coating, brazing, hardening, and heat treatment applications.

• Designed, researched, and produced by Duolin engineering team with lifetime service
• CE and ISO 9001:2015 certified for quality and stable performance
• Latest IGBT inversion technology for fast heating and improved production
• Environmentally friendly alternative to traditional gas or coal heating
• Easy operation with foot switch and auto/manual work modes
• 16 fault alarm systems for machine protection and quick recovery
• Time set function with 24-hour non-stop operation at 100% duty cycle
• Wide applications including billet heating, hardening, heat treatment, brazing, and more
• High-quality components from Infineon, Omron, and other reputable brands
• Ratio adjustable transformer for wider heating parts compatibility

• Billet hot forging plants for full and local heating (diameter 6-200mm)
• Heat treatment plants for gear, pin shaft, and automotive parts surface hardening
• Copper tube, saw blade, machine tool brazing, and pipe heating for bending and coating
• Induction heating for shrink fitting, annealing, and normalizing

Industries Served: Automotive, oil and gas, fasteners manufacturing, tube and pipe heating, ship building, package sealing, wire and cable heating, spring making, and more.

• Professional suggestions on machine power and work frequency
• Turnkey induction heating project layout planning
• Sample testing support and free coil design
• Factory meetings to discuss optimal heating solutions

• Factory production testing with video documentation
• 8-hour quality and aging testing for stable performance
• Door-to-door shipping service for first-time importers
• Timely delivery and customs clearance assistance

• 1-year warranty with free repair and spare parts for non-artificial faults
• Installation, electrical/water connection, and training services
• Online video meeting support for installation and repair
• Equipment development and production line improvement
• Comprehensive manuals and troubleshooting guides

• Which countries are your products exported to?
  Over 56 countries with more than 3000 machines installed, with agents in 10 countries.
• What is your advantage?
  International trade since 2009, manufacturing since 1996. All products researched, designed, and developed by Duolin engineering team.
• How to install your machine?
  Comprehensive documentation with pictures, videos, and manuals. Engineer support available for factory installation.
• Which port for export?
  We can ship from any Chinese port, typically Shenzhen, Shanghai, Ningbo, or Guangzhou.
• Delivery time and stock availability?
  HFP-20 and SSF models in stock (approx. 1 week for coil making and testing). Custom medium frequency machines require about 1 month production time.
• Are you a dealer or factory?
  DUOLIN owns the factory with 79 employees - a large-scale company in Chinese induction heating manufacturing.