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- 3 7/8", 5", 15000psi, 10000psi, Well testing Drill stem testing Hydraulic Jar / DST Big John Jar
- Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level hydraulic jar manufacturers and suppliers, with professional factory, we are able to produce API and oilfield big john jar, dst hydraulic jar, well testing hydraulic jar, welcome to contact us. Br
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Xi'an ZZ Top Oil Tools Co.,Ltd
[Verified]
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Negotiable
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