Heading 6903 (Other refractory ceramic products (such as steamers, crucibles, muffles, nozzles, plugs, brackets, ovens, tubes, sheaths, and rods), except for siliceous fossil powder and similar silicon-based materials) contains 3 sub-codes. Open a sub-code for the applicable MFN rate, temporary rate, consumption tax, VAT and any FTA / RCEP preferential rate.