Hardware refers to the tools obtained by processing and casting metals such as gold, silver, copper, iron, and tin to fix things, process things, and decorate.

1, gold pieces

As we all know, gold is a valuable precious metal, worth 385 yuan per gram, and most of them are well preserved by the national government. Most types are gold. Gold is naturally used to make valuable items. Objects cast with gold are usually items such as jewelry, currency, and currency, such as rings, necklaces, gold coins (ancient period), gold bricks, gold bars, etc. Some of them are used to make objects such as celestial spheres.

2, silverware

Silver is silver and white, and it is also a precious metal. In ancient China, it was used to make silver ingots or broken pieces of silver for national expenses and daily transactions. The ancient Egyptians used silver-based water-soluble silver ions to sterilize silver and make silver tablets to treat wounds. Modern silver is also commonly used in jewelry processing. Silver has excellent electrical conductivity and heat transfer performance. Common industrial silver parts are generally parts of electronic instruments and power generation equipment, such as silver core wires.

3, copper pieces

Copper is the ambassador of human civilization. The ancients used copper ritual vessels, such as copper tripods and modern tools. As we all know, copper has excellent electrical conductivity, second only to silver but more copper than silver and cheaper. Copper is often used to make wire cores and parts of communication equipment and electronic equipment.

4, iron pieces

The application range of iron is very wide, and the content is also very much in the world: The proven iron ore reserves in the world have already exceeded 20 billion tons! Two kinds of iron are commonly used: hematite and magnetite.

Hematite

The hematite is composed of ferric oxide, dark red or steel gray, and used cast iron nails, screws, nuts, hammer heads, and machine parts.

magnetite

Magnetite magnetism, also known as "magnet", "magnetite", the scope of application of magnetite is not as wide as hematite, but also useful, magnetite can be shaped into a magnet to identify objects.

5, tin parts

The application range of tin is not very wide, and common tin parts include canned caps, tin foils, and plastic bottle tin seals.