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121/4& quot;HM652XG Hot Sale Oil Drill Tools Diamond Drill Bit
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121/4& quot;HM652XG Hot Sale Oil Drill Tools Diamond Drill Bit

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Description

pdc drill bits for oil exploration

oil well drilling equipment rock bit/oil and gas well drill bits/carbide drill bit/new tungsten carbide drill bit,

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shannxi hainaisen petroleum technology Co.Ltd

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Address: No.61 Friendship West Road, Beilin District, Xi'an, China,
xian, shanxi
China, 710200

Tel: 86-029-86032369
Fax: 86-029-86032369

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