The toilet flush valve device is a drainage control system used inside the water tank of a Western-style toilet. It usually includes a flush valve body, a water stop valve, a float and other components. This device determines the flushing effect, water volume control and water saving capabilities. It is suitable for a variety of application scenarios such as residences, hotels, and shopping malls. The Chinese faucet factory supports the development of a complete set of combinations, has a complete mold and testing system, and guarantees the sealing and service life of the product. It is suitable forOEMExport and domestic engineering supporting.