中国 · 品目· 1 个子目· 0 个税号
2509其他粘土、红柱石、蓝晶石、硅线石、莫来石、耐火粘土或硅质土
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths