TDS tuaj yeem muab DTH laum cov kav dej rau cov mining thiab dej zoo drilling, API txheem threaded laum kav ntawm cov ntaub ntawv sib txawv, ntev, txoj kab uas hla, thiab phab ntsa thicknesses, tab sis kuj customize laum kav raws li cov ntaub ntawv, ntev, phab ntsa thicknesses, thiab threads xav tau los ntawm cov neeg muas zaub. .
Nta
-R780 Steel-siab tus qauv
-6 lub hlis warranty
-Long Life Thread Connection
-Reliable thiab hnav-resistant
-Kev kho cua sov hauv tsev ua kom zoo tshaj qhov tawv tawv thiab rooj plaub qhov tob
