Gas directly fired steel wire annealing furnace 1.Wire dia:0 ... 3.Capacity:2,000-20,000T/Y 4.Autocontrol Gas directly fired steel wire annealing furnace Type: Fire direct type ... 1,000-20,000 tons/year 4 Energy Natural gas, Liquid gas, Electricity, Diesel, Coal 5 Working hours 24h continuously ... System for assembly fire directly furnace with preheater: Gas directly fired steel wire annealing furnace