8419899810

HS 编码 8419899810（第 84 章「机械器具」；子目 841989「其他」）在英国税则中对应"Pre-assembled process module unit of an ethane cracker unit, containing:equipment associated with an external multi-stage, centrifugal cracked gas compressor which compresses hydrocarbon gases to allow further processing downstream in interconnected equipment containing:<br>-​coolers,<br>-vapor-liquid separation drums, and<br>-pumps needed to condense and remove water and heavier hydrocarbons and to avoid undesirable formation of polymer by-products,<br>equipment associated with an external caustic wash tower containing: <br>-caustic water circulation pumps to support an external caustic wash tower in removing acid gasses (carbon dioxide and hydrogen sulphide) from the cracked gas, <br>-a spent caustic pre-treatment system, containing separation drums, pumps and mixers, <br>-a heat exchanger for the pre-cooling of cracked gas, and <br>-a separation drum for the removal of water from cracker gas<br>"。英国海关对该编码商品征收进口关税（第三国税率） 0.00 %、增值税 (VAT) 20.00 %。