Hejian Huanyu Petroleum Machinery Co., Ltd..
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Hejian Huanyu Petroleum Machinery Co., Ltd..
http://www.huanyubits.com
CANGZHOU, HB
China
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Hejian Huanyu Petroleum Machinery Co., Ltd.. We are specialized in drill bits Tricone bits,(sealed Journal bearing and open roller bearing )steel tooth tricone bit,TCI tricone bit for kingdream ,CS,Lilin brand,PDC drill bit ,diamond core bit,bicenter bit,single cone bit , reamer bit,down hole opener,drag bit,button bit ,tricone bits,steel tooth bit,TCI bit ,pdc diamond bits , single cone bit,diamond core bit ,reamer bit,hole opener ,piling bit ,big diameter bit,drill pipe, Mud pump, stabilizers for water well, oil field, construction, geotherma ... more >
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