1. Stainless steel kitchen faucet. The stainless steel faucet does not contain lead, is acid and alkali resistant, and is not easy to corrode. Its hardness and toughness are more than twice that of copper faucets, but its hardness, toughness and machining are more difficult than copper faucets.

2. Copper faucet. The inside of copper is rough. You can observe the inside of the faucet. You can grind it deep in an inconspicuous place. There is no problem with the brass color.

3. Iron tap. The iron faucet is easy to rust, and it is difficult to replace and disassemble, just like a magnet. Generally, there are some small faucets with difficult surface treatment and rough appearance; large-scale hot and cold water faucets have fewer iron faucets and are difficult to process.

4. Ceramic faucet. Compared with other materials, the faucet made of ceramic has the advantages of no rust, no oxidation, and no wear. The appearance is generous, setting off the atmosphere of the entire space.

5. Zinc alloy faucet. Zinc alloy faucets are harmful to the human body. The shell is easily corroded and broken after being impacted by water, and the surface becomes white after being polished. At present, it is generally made by sanding process and machine die-casting, and the interior is smooth and flat.