service factory of mullite ceramic components hs code
Mullite Insulating Brick for Furnaces and Kilns(DJM26 ... 2019-1-4 · itc(hs)6907 unglazed ceramic flags and paving, hearth or wall tiles; unglazed ceramic mosaic cubes and the like, whether or not on a backing ITC(HS)690710 Tiles, cubes and similar articles, whether or not rectangular, the largest surface area of which is capable of being enclosed in a square the side of which is less than 7 cm :
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