... metallurgy, petrification, construction, vessel and etc.Usage of product:Liner heat insulation for preheater, wind pipe, cover of kiln ... , cooling machine in cement industry.Liner heat insulation for electrolyzing cell in nonferrous metal industry ... pit, annealer, high temperature flue in metallurgy industry.Liner heat insulation for heating furnace, ehtylene pyrolyzer, hydrogenation oven ...