The toilet flush valve is a core control component installed in the toilet tank. It is used to open the flushing valve after the water is stored, and clean the inside of the toilet by hydraulic power. According to the function, it is divided into single flush, double flush, water saving type, etc. This product affects the toilet user experience and water saving effect. Chinese faucet factories provide a variety of structural flush valves (knob type, button type, induction type, etc.), with materials ranging from plastic to metal, supporting a variety of global installation standards and packaging customization services.