... and annealing furnace, etc. The major kinds : roller type aluminium alloy continuous furnace production line, push rod type gas burning ... furnace, suspended chained type brazing furnace for water tank, step-in type gas-fired heating furnace, box type protective ... type oven, single chanmer annealing furnace, stuffing box type multi-purpose furnace, section heating furnace, large gas-fired furnace, mesh ...