It is a device that controls the faucet switch and adjusts the flow rate and temperature of the outlet. Simply put, it is the core of the faucet.

At present, the mainstream faucet on the market uses a ceramic spool, which refers to the ceramic sheet made of highly wear-resistant ceramic materials inside the spool, and the purpose of water passage and water sealing is achieved through rotation. It does not mean that the entire spool is made of ceramic material.