The toilet flush valve assembly is a control system installed at the bottom of the toilet tank, including water stop gaskets, drain rods, button devices and other parts, which determine the flushing speed, pressure and water volume. It is widely used in many places such as homes, hotels, hospitals, etc. Chinese faucet factories can provide two major series: general and customized. The materials are environmentally friendly, the structure is optimized, and the installation is simple. It is suitable for simultaneous promotion on cross-border platforms and offline building materials markets.