... furnaces ladle cover,annealing furnaces,bell-type furnaces.♦Ceramic industry: shuttle-type kilns, end-fired furnaces,tunnel ... kilns and other types of ceramic furnaces,kiln cars,kiln doors.♦Petrochemical industry ... ,constant/reduction pressfurnaces,flue pipes.♦Heat-treatment industry: annealing furnaces, normalizing furnaces, drawing furnaces ...