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Sanhe,Jiyuan,Henan,China China
Contact Person Ms. Rita He
Address Sanhe, Jiyuan, Henan
Stabilizer is made from AISI4145H alloy steel acc. to API Spec.7. All threads are phosphated, copperized or co
The non-magnetic drill collars are made of low carbon stainless steel and meet the requirement of API Spec.7 a
The company owns a full range of drilling tools production lines, of which are deep-hole drilling and boring
The drill collars are made of 4145H modified chromium-molybdenum alloy steel acc. to API Spec.7 and SY/T5144.
The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel acc. to API Spec.7 and SY/
Integral heavy weight drill pipe is made from AISI alloy steel acc. to API Spec.7 and SY/***** is formed by ho
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