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GJ series bit adopts metal seal with roller bearing, which can drill stably with middle to low WOB and middle to high RPM.rock roller bit
2017-01-15 11:19 Views:216
Price:Negotiable
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Company name:Hejian Smart Petroleum Machinery Co., Ltd.
Status:[Offline] [Send message] [Chat]
Business contact:Lily Shi(Mr.)
Telphone:
Mobile:
Area: Caribbean Region-Bermuda
Address:Junziguan,Shijing town, Hejian, Hejian,Hebei
Zip:062450
Status:[Offline] [Send message] [Chat]
Business contact:Lily Shi(Mr.)
Telphone:
Mobile:
Area: Caribbean Region-Bermuda
Address:Junziguan,Shijing town, Hejian, Hejian,Hebei
Zip:062450