... area 4. energy saving. high frequency induction welding equipment,high frequency induction welding furnace,induction welding machine.Application:1. Heat ... weight, simplified installation, easy operating.3.Adopt frequency automatic tracking, polysleeve closed loop control4.replace oxy ... phase 380V 50-60HZ Oscillation frequency :15-35KHzSize: 550 × 650 × 1260mm high frequency induction welding equipment