1. Sucker rod for oilfield
2. OD: from 5/8" to 1-1/8"
3. Grade: C D K
4. Coupling Type: Class T, Class SM
5. Standard: API 11B
6 Use: well dr
Company:Zhangjiakou CGE GEO-Machinery Co.,ltd
2. OD: from 5/8" to 1-1/8"
3. Grade: C D K
4. Coupling Type: Class T, Class SM
5. Standard: API 11B
6 Use: well dr
Company:Zhangjiakou CGE GEO-Machinery Co.,ltd