Gas fixed cilyndrical boiling Pan is made entirely of stainless steel. For the easier and more reliable operation, all these boiling pans have 10-stage heating switch panel and ionization ignition electrode. Indirect heating is guaranteed by the sun-free use, while the dual safety system and the professional gas system ensure harmless long-term opeation. Indirect heating is guaranteed to be non-burning. Dual safety system and the professional gas system ensure harmless long-term.