全黄性_天堂官方_亚洲无吗精品AV九九久久_欧美三级裸露720P_99热这里只有精品9_日本不卡一区二区三区_色婷婷AV一区二区三区之红樱桃_法网伊人_国产精品自在拍在线拍_2019年最新夜间福利视频_香蕉国产_青青草a国产免费观看_2021自拍偷在线精品自拍偷_亚洲中文字幕在线第六区_金8天国欧美高清无码_秋霞网在线观看1_极品av_秦岭神树在线观看_欧美性爽交A片大全_花蝴蝶HD免费高清

Shanghai Urban Investment Group implemented the city's old meter renovation project through bidding, and Jingda Company won the bid! Currently, the project has been implemented mainly in the renovation of old residential areas, most of which are outdoors and inside the walls, using anti-freeze wireless remote water meters. At present, Jingda Company has renovated more than 30,000 remote meters for old residential areas in Shanghai, with stable operation and a meter reading success rate of >99%! It has received good reviews from customers.