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Well head tools
Drill stem tools
Directional well tools
Coring tools
Cementing tools
Downhole servicing tools
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General manager: 86-453-6524782
Technology consulting:86-453-6540315
Zip code:157010
Web: www.nwtadventure.com
Email: mdjjcsy@126.com
Addess: Aimin District East New Street 
No. 58
 
Drill stem tools
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