Xi'an ZZ Top Oil Tools Co.,Ltd

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Perforating Sub	5 in x 15000 psi Drill stem testing DST Round Mandrel Slip Joint	Surface Safety Valve	3 7/8", 5", 15000psi, well testing Drill stem testing Lock Open Tester Valve / DST APR N-valve
Rotary Table	Oil Well Elevator	Oil Well Casing Spider