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Personne àcontacter Ms. vivi
Huanghe, Zhengzhou, Henan
The wearable alloy drill rod is reformed and reconstructed on the basis of coal drill rod, which is the updating and generation changing product of the coal drill rod.Such drill rod possesses festures:wearable, rapid taphole, saving time and strength;lifetime is more than hundred times of the coal drill rod;economical and practical.