高周波抵抗溶接ヘリカルフィンチューブ

Extruded Fin Tubes

Embedded Fin Tubes

L-Wrapped On Fin Tubes

Ll Over-Lapped Type Fin Tube

Knurled L Type Fin Tubes

Low Fin Tubes

Laser Fin Tubes

High Frenquency Resistance Welded Fin Tubes