The testing equipment complies with the requirements of GB6952-2005, 6.1, 8.6, 8.6, 2, 8.6.3, 8.6.4, 8.6, 5, Appendix E and Figure E.1, AS1172.1-2005 Appendix C and Figure EN997-2003 (E), Appendix E and Figure JC/T 931-2003, 5.3.5, 6.3.3: Draft "Gravity based flushing devices for sanitary ware toilets", 10.16.2.2. This device is suitable for the flushing function test of toilets. The test method refers to section 8.6.1 of GB6952-2005. Functional tests such as the flushing volume of sanitary ceramics into the toilet and subsequent water detection, flushing function of the water tank toilet and flushing valve toilet, and high-level water tank flushing test are completed by testing the sample and equipment water supply device. Conduct a comprehensive evaluation of the tested product's operating conditions and determine whether it meets the relevant design requirements