Size8/ 3/8" 212.7mmPin shank size4 1/2regBit typeHJ117IADC Code117types of bearingjounmal ...
China
COMPANY PROFILEHejian Huanyu Petroleum Machinery Co., Ltd. Was established in 1998,located in Hejian which is in the middle of Cangzhou ci...
China
1.Bit name:insert bit,rock bit,TCI Tricone bit,drilling bit Main structure features2. journal bearing. hardfaced head bearing surface. cone b...
Chinasteel tooth tricone bits exporter from China. high quality, Reasonable price and one-stop exporting service. steel tooth tricone bits OEM, steel tooth tricone bits meet the standards of Europe, United States, Asia, the Middle East, Russia, Africa, North America.
Hejian Baoxing Petroleum Machinery Co., Ltd. is a professional tricone bits,steel tooth tricone bits,drill bits,well tricone bits manufacturer and exporter.
China
Hejian Huanyu Petroleum Machinery Co.,Ltd is a professional drill bits,tricone bits,rotary bits,pdc diamond bits,pdc core bits,steel tooth tricone bits manufacturer and exporter.
China
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China
