the sixth category mainly includes unprocessed and semi-vulcanized ordinary metals and simple products of these metals. In particular, this category does not include:-bauxite (category I); -Mercury, antimony, alkali metals and alkaline earth metals (Category I); —— Metal foil and powder for painting, decoration, printing and art (Category II); -Some common metal products classified according to their functions or uses (refer to the alphabetical commodity classification table).

The specific contents are as follows. This is what I found on Bajie's intellectual property for you. You can look it up and hope it will help you.

61-ordinary metal and its alloys, plates and various profiles (excluding welding and railway metal materials)

62-ordinary metal pipe and its accessories

63-metal building materials, Movable metal buildings (excluding building hardware)

64-Metal materials for railways 65-Non-electrical cables and metal wires, nets, With

66-non-electrical metal accessories for cables

67-nails and standard fasteners 68-metal accessories for furniture and doors and windows

69-daily hardware

61-non-electronic lock 611-safe cabinet, metal cabinet

612-metal appliances, Metal hardware (non-machine parts)

613-metal container 614-metal signboard

615-metal products for animals

616-metal materials for welding (excluding plastic welding wires)

617-anchor, metal floating dock for stopping ships, and metal anchor pile

618-handcuffs. Metal identification bracelet

619-metal weathervane

62-metal plant protector 621-beast trap 622-ordinary metal artwork, bronze (artwork)

623-ore, ore sand

624-metal coffin (for burial), metal coffin.