Xi'an ZZ Top Oil Tools Co.,Ltd

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2 1/16", 3 1/16", 4 1/16", 7 1/16", 11", 13 5/8", 21 1/4", 3000 psi, 5000psi, 10000psi, 15000psi Oi	5in 7in 9 5/8in 10000psi Full Bore Safety Joint / RTTS safety joint	3 7/8", 5", 15000psi, well testing Drill stem testing Lock Open Tester Valve / DST APR N-valve	Fluted Centralizer
3 7/8", 5", 10000psi,15000psi well testing DST Bypass Circulating Valve	Wellhead Christmas Tree	NO.5, NO.9, NO.10 20 3/4",11" Wellhead connector hub Clamp API 6A &16A	5in 7in 9 5/8in 10000psi Full Bore Retrievable Circulating Valve / RTTS Circulating valve
Data Header	Mud Pump Liner	5" 3 7/8" 15000ps DST Multicycle Circulating Valve / Drill stem testing OMNI valve	Chemical Injection System
5 in x 15000 psi Drill stem testing DST Round Mandrel Slip Joint	13 5/8" , 21 1/4", 2000psi, 10000psi oilfield wellhead API16A Annular Blowout Preventor / Annular BO	Oilfield Wellhead Valve	7inch 9 5/8inch 15000psi well testing DST Radial Shock Absorber