non magnet drill col

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[CN] tianhe oil group [Manufacturer]
Key Products/Services:
Business Overview: Tianhe Oil Group is a comprehensive enterprise of equipment manufacturing and oilfield service providing. The company is specialized in innovation, manufact...

[CN] TianHe Oil Group HuiFeng petroleum equipments Co.,Ltd [Manufacturer]
Key Products/Services:
Business Overview: TianHe Oil Group Production include Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,stabilizer,Hole opener, Rol...