久久久老熟女一区二区三区91|人妻精品一区二区无码av|亚洲免费视频在线|东京热无码人妻精品一区二区三区

企業(yè)資訊
2019年4月13日,我公司在青島府新大廈參加了2019年全國地質(zhì)與礦山裝備展示交流會(huì )和第九屆全國地質(zhì)勘探技術(shù)研討會(huì )等項目活動(dòng)。
News Information
Current Location:Home > News Information

2019 National Geological and Mine Equipment Exhibition and Exchange Conference

Release Time:2019-04-04   Edit:Admin   Access:8847

On April 13, 2019, our company participated in the 2019 National Geological and Mine Equipment Exhibition and Exchange Conference and the 9th National Geological Exploration Technology Seminar in the New Building of Qingdao Fuxin.

image1.jpg

Introduction of portable drilling rig products

Product List