91蜜臀福利色婷婷,国产成人精品av在线,美女又爽又黄大尺度,精品久久久久久久久久久久久久久久,日本精品成人,综合网久久,国产精品乱码久久久久久

Prepaid IC card water meter for domestic use

Prepaid IC card civil water meter has the advantages of advanced design, high technical content, complete function, accurate measurement, reliable performance, small size, intuitive display, beautiful appearance

MORE+

Advantages of smart water meters

1, can be recorded according to the water consumption and electronic display2. The water consumption is controlled according to the agreement, and the water fee calculation of the tiered water price is automatically completed.

MORE+