Wear Resisting 17 1/2'' Steel Tooth Bit Soft Water Well Drilling Head
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Tricone Bit Used For Oil Well Drilling,17 1/2 Steel Tooth Tricone Bit Used For Soft Rock Water Well Drilling Introduction The tci tricone drill bit is the most widely used tool in mineral drilling and geological drilling. Tricone bit has the function of ......
Hejian Sanlong Petroleum Machinery Co., Ltd.
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