Faucets on the market are varied and the prices are variable. Consumers often look at tap styles only when they choose. In fact, the faucet's quality is determined by its function and structure. First of all, the key is the quality of the valve spool. At present, there are three main types of valve plugs, ball valve plug and rubber valve plug on the market. Ceramic spool is a new generation of spool material, good sealing performance, stable physical properties, long service life, generally normal use in more than 10 years. The main body by the brass, bronze (or copper alloy) casting, of course, the best overall casting performance. Identify the faucet, you can distinguish between functionally and structurally. Functionally divided into 1, triple bathtub faucet: There are two outlets, an attached bathtub shower, a shower head connected to the following for showering. 2, double basin faucet: for all kinds of washbasin above the bathroom, the export of water is shorter and shorter, mainly for washing, cleansing. 3, multi-functional kitchen faucet: generally double, can be hot and cold water. Higher outlet, the leading front longer, and some even have hoses, multi-angle rotation for washing. Divided into 1 from the structure, single-handle type: Features for the switch flexible, long life, fast and easy to adjust the temperature. 2, with 90 degrees at the beginning of the faucet: the characteristics of the traditional double handle on the basis of the ceramic seal, the handle can be rotated 90 degrees when the switch can be adjusted on both sides of the hot and cold water to adjust, open convenient, diverse styles, modeling Many. 3, the traditional spiral-type spiral: a large amount of water, low prices (currently less used). 4, stainless steel hollow ball seal and stem seal: generally used for imported faucet, and some even full temperature control, the price is more expensive.