bonded goods

基本解释

Yes. But there is one thing I don't understand. Why some goods are bonded goods, while others are duty-free goods?
喬治：是的。但我有一點不明白，爲什麽麽有的是保稅貨物，而有些是免稅貨物呢?。
Bonded goods are mainly for goods need out of temporary entry, or the import goods customs approval suspend taxes.
保稅貨物主要是暫時進境後還需要複運出境的貨物，或者海關批準暫緩納稅的進口貨物。
To be responsible for custom clearance, goods receiving, stocking, goods shipment, bonded goods, inventory, logistics and delivery.
負責生産材料通關、進貨、入庫、産品發貨、保稅品、庫存、物流、運輸琯理；

Moreover, there appears to be another stratagem that exporters extensively used in December, the round-tripping of goods through special trade areas and bonded warehouses to earn substantial value-added-tax rebates.
FORBES: China's Market-Moving Trade Data Is Inaccurate