£¨£±£©According to class A heat insulation board
£¨£²£©Backup material for industrial furnace, heat insulation material for burning machine
£¨£³£©Heat insulation material for fuel charger
£¨£´£©Backup material for tunnel kiln, blast furnace, tube firing table
£¨£µ£©Heat insulation material for steel making machine
£¨£¶£©Heat insulation board for aluminum melting furnace
£¨7£©Heat insulation board for glass melting furnace |