DTH hammer 18inch shock absorber with 80h hexagonal joint ,80m hexagonal joint, 120h hexagonal joint,120m hexagonal joint,240m hexagonal joint, 300h hexagonal joint ,350h hexagonal joint
DTH 80H hexagonal joint, DTH 80M hexagonal joint ,DTH 120M hexagonal joint,DTH 120H hexagonal joint,DTH 240M hexagonal joint 240H Hex Joint(M) ,DTH 300H hexagonal joint.DTH 350H hexagonal joint
DTH 80H hex joint,DTH 80M hex joint,DTH 120M hex joint,DTH 240M hex joint,DTH 350H hex joint.
DTH 80H coupling , 80m coupling 120h coupling , 120m coupling, 240h coupling
Dth hammer 273mm hexagonal joint, dth hammer 320mm hexagonal joint
tianjin huachang xingye technology co ltd whatsapp 008618902059907 email info@tjdrilling.com
