Faucet is a popular name for water valve. It is used to control the size of water flow, which has the effect of saving water. The replacement of faucets is very fast, from the old cast iron technology to the electroplating knob type, and then to the stainless steel single temperature single control faucet, the stainless steel dual temperature double control faucet, and the kitchen semi-automatic faucet. Nowadays, more and more consumers buy faucets, they will comprehensively consider the material, function, shape and other aspects.