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Raise boring drill pipe / drill rods series
Large machinery precision parts series
Heat Treatment
HF3000,4000 Drill Stabilizer
More +
Dill Collar
Non Mag Drill Collar
Non Mag Drill Stabilizer
Cross Over Sub
Drill Stabilizer
Add: Zhicheng, Jiyuan, Henan, China
Tel:+86 0391-6088108 Web:www.hhf.cn
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Website:300.cn Luoyang