... for producing spiral fin tubes for radiators, PLC control, full automatic High frequency spiral fin tube welding machine is for ... producing spiral fin tubes for radiators, PLC control, full automaticThis machine is PLC ... Finished finned tube length: 8m, 12m, 16m 6) Equipped high frequency power: 100kVA, 200KVA, 300kVA, 400kVA (for different base tube ...