17 Rock fibers, roving chopped strands of rock fibers, inorganic fibers mainly made from fly ash, roving chopped strands of inorganic fibers mainly made from fly ash, other inorganic fibers, roving chopped strands of other inorganic fibers
24 Rock fiber fabrics, inorganic fiber fabrics mainly made from fly ash, and other inorganic fiber fabrics (excluding asbestos fabrics)
23 Rock fiber yarn for textiles, inorganic fiber yarn for textiles using fly ash as the main raw material, and other inorganic fiber yarn for textiles (excluding asbestos yarn)
Trademark: 97886045
