steatite ceramic tube hs code manufacturing process
Alumina Ceramic Tubes > Standard Products. The specification of the ceramic tubes 1. Available material: Alumina(Al2o3), zirconia ceramic(ZrO2), Silicon carbide ceramic(SiC), steatite ceramic. 2. Shaping methods: Hot pressed, Dry pressed, Extrusion, Ceramic Injection molding, ISO pressed. 3.
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