21 March 2015
Chapter 8421 stands for CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES Centrifuges, including centrifugal dryers.
Please check the Chapter ID again it may missing one digit.
If it is 8421 91 00; it belongs to Parts Of centrifuges, including centrifugal dryers.