Supply of 12 Control Board Assembly Suitabl E For 550Kw 1200Kg Pillar Make Medium Frequency Induction Fu\ Rnace Feedback Board Assembly Suitab Le For 550Kw 1200Kg Pillar Mak E Medium Frequency Induction F Urnace. Firing Board Suitable For 550 Kw 1200Kg Pillar Make Medium F Requency Induction Furnace. Rider Assembly. 700-383A Rider Transformers Assembled On Ms Plate Suitable For Pil Lar Make Induct