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Urumqi Siruite Mechanical Equipment Co.,Ltd
URUMQI SIRUITE MECHANICAL EQUIPMENT CO., LTD
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Metal seal tricone bit
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Metal seal tricone bit
Metal seal tricone bit
IADC517 high penetration motor drilling MD kingdream gas and oil well drill tri-cone bits
7 7-8 IADC547 metal sealed tungsten carbide insert tooth TCI tricone roller HDD drilling bits
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