China · Heading· 3 subheadings· 0 codes

6903Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slidge gates), other than those of siliceous fossil meals or of similar siliceous earths

Subheadings (6-digit WCO)

690310Containing by weight more than 50% of free carbon→690320- Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)→690390- Other→
China HS 6903 · Other refractory ceramic goods (for example, retorts, crucib · Treayo