- marine casing cutter/mechanical internal cutter/mechanical external cutter
- 2016-10-31 10:01
- both cutter from internal of pipe, marine casing cutteris suitable for big diameter pipe, and mechanical casing cutter i
- Hydraulic bucking unit
- 2016-10-30 14:33
- Hydraulic bucking unit is an important equipment to make up, break out and maintain drilling tool, pipe string or the th
- casing scraper/cup tester
- 2016-10-28 10:56
- heilongjiangnorth shuangjia drilling tools co., ltd which specializesin manufacturing drilling tools for more than 40 ye