Henan Dongfanglong Machine Manufacture Co., Ltd
Casing couplings
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TUBING AND CASING COUPLING -
10-3/4" BTC Casing coupling K55 Grade for pipe collar -
9-5/8" EUE Tubing coupling K55 Grade for pipe collar -
5-1/2" EUE Casing Coupling P110 Grade for pipe collar -
API 5CT Couplings Threaded Tubing and Casing Pipes -
API 5CT TUBING AND CASING COUPLING20 -
API 5CT EUE casing tubing pipe coupling