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OPERATING, INSIDE BOP, DROP
Our Great Wall main products are: BOP, Drilling Tools,Well Head Tools, Fishing Tools,Cementing Tools, F type and 3NB type spare parts of Mud Pump ,Drill Collars, Spiral Drill Collars, Integral Heavy Weight Drill Pipe, Work-over Tools, Coring Tools
Telephone：86-158-4676-6406Address：Add: No.9, Culture Street
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