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Location:

Shanghai, China

Main Item: drilling equipment
Business Type: Exporter, Agent, Distributor, Wholesaler/Retailer, Service

REVERSING SPEARS There is another kind of spear which is called reversing spear, a counter clockwise thread for tool joint at the upper part of the spear body, while the expansion sleeve has clockwise thread. The guide cone at the lower part can...

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Teresa Lyu ( TOPLAND OILFIELD SUPPLIES LTD. )
(20~4000 Characters)
Listed on Aug 24, 2021