- Oil Drilling equipment API Class T sucker rod couplings
- 2016-11-02 07:10
- API Class T sucker rod couplingsSUCKER ROD COUPLINGSSucker rod couplings are a key component in the successful performan
- API Approval sucker rod couplings-used in oil well drilling
- 2016-10-26 03:02
- API Class T sucker rod couplingsSucker rod couplings are a key component in the successful performance of a sucker rod s
- OIL&GAS PETROCHEMICAL& SUCKER ROD COUPLINGS
- 2016-10-23 06:39
- Sucker Rod Coupling is a joint for sucker rod that used in oilwell downhole for oil pumping and production.Yunsheng Suck
- API FS sucker rod couplings
- 2016-10-23 05:32
- API Class SM coupling 1）Type: SM FS and SH coupling 2）Coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"3)Weight: 0.41-1.29