国产美女在线一区_亚洲九色_国产91视频一区_www.色涩涩.com_岛国视频在线_久久久精品人妻无码专区不卡

A base in the "China Petroleum Project" that won the bid in 2008, the total number of meters used in this project exceeded 150,000. The implementation of this project was rated as an excellent project and was selected into the scientific and technological achievements compilation of the "Mining Area Service Division of Oriental Geophysical Company". It opened a new chapter in the Jingda remote meter reading project and established Jingda's leading position in the industry in the implementation of remote water, electricity and gas meters and remote meter reading projects.