2019.01. 15 concealed thermostatic faucet zl2018 3 0420725.5_ 00

2020.06. 12 – an easily formed thermostatic valve and shower system with the thermostatic valve ZL 2019 2 1752218.7

2019.01. 15 concealed thermostatic faucet zl2018 3 0420725.5_ 00

2020.12. 22 a stable button and shower control mechanism ZL 2020 0235474.5_ 00