Dub King Nipple
Tshawb nrhiav peb cov khoom siv roj ntsha zoo uas ua tau raws li cov qauv kev lag luamASTM A53, ASTM
A106, thiabASTM A 312 Cov Lus Qhia. Peb qhov kev xaiv dav dav suav nrog ntau hom xws liib kawg threaded, ob leeg sib npaug
threaded, ntev-short threaded,KC lub txiv mis, thiab kaw lub txiv mis. Tshawb xyuas peb cov khoom tam sim no thiab nrhiav qhov zoo tshaj plaws
kev daws teeb meem rau koj cov kev xav tau.
Sau koj cov lus ntawm no thiab xa tuaj rau peb