Consealed Washbasin Mixer not only appearance level is high, but also can effectively save home space, become more and more people decorate bathroom choice. Material selection Faucets on the market are basically made of metal and meet drinking standards. Generally speaking, copper is not easy to be oxidized and rusted. When choosing, tap the faucet with your finger. If the sound is relatively dull, it means the wine is made of copper. If the sound is clear, it is made of something else. Observation surface Better quality faucets will go through multiple plating processes, surface gloss is higher, bright smooth, uniform color. Touch corner Quality faucet edge and corner of the connection without burr, feel good, rounded edge polishing without edges. In addition, the connection between the parts is tightly stitched, there will be no loose. Switch rotation Under normal circumstances, high-quality faucets in the rotation of the switch, the switch is easy, will not slip, but will not appear gaps. When selecting the faucet, you can turn the faucet switch a few times to check whether the various parts are firm or not. Touch corner Spool is the heart of the faucet, a good spool can ensure the use of the faucet time. Ceramic pieces are gradually popular because of their good sealing performance and wear resistance, and their advantages such as not easy to leak and long service life. Water discharge and stop condition Choose a tap with soft water output, large amount and fast water stop speed to reduce the waste of water resources.