LUOYANG NA'E HA'U 'A E MALOHI 'O E TEKINOLIA CO.,LTD
Shut-off valve
Ko fe 'oku lelei ange 'i he Valve Vai .? Valve Ta'ofi pe Valve Polo .
Although developers install a main water valve in the pipe well in the corridor for each household during home renovation, the management well is often closed, and the residents themselves cannot open…