亚洲 色无码专区在线,久久久无码人妻精品无码,91偷伦一区二区三区蜜臀,国产精品入口麻豆完整版,91人妻人人做人碰人人爽九色

GSD Series Drill Head Style Drill

當(dāng)前位置 :首頁(yè) >>Business Consulting >>  company news

GSD Series Drill Head Style Drill

* 作者 : admin * 發(fā)表時(shí)間 :2018-06-16 * 瀏覽 :

GSD drill is a Series Drill Head Style Drill drill with independent intellectual property rights and a number of national patents, and is independent researched and developed, designed, and manufactured by RANRAN MACHINERY.

Main Application

Drilling geothermal pump wells

Drilling wells for agricultural irrigation and industries

Drilling for geotechnical survey

Drilling construction engineering holes

Main Characters

Drill head style with large torque and lifting force

Easy to connect drill rod and Kelly bar is not meeded

Multiple purposes and multiple functions drilling

Large drill head inside diameter available for many rods(φ73、φ89、φ95)

Specially designed rod structure makes it easy to connect and disconnect

Easy to operate and maintenance High reliability and lone life of working

Truck mounted Trailer mounted Crawler mounted are available for different place


亚洲 色无码专区在线,久久久无码人妻精品无码,91偷伦一区二区三区蜜臀,国产精品入口麻豆完整版,91人妻人人做人碰人人爽九色