- tianjin huachang xingye technology co.,ltd
- Main products: core barrel, drilling bucket, double wall casing, casing osccilator, hydraulic casing clamp, double wall casing extractor, beco thread drill pipe fpr dth atlas cop, large diameter drill pipe for dth hammer, triple axis flight auger, cfa for dth hammer, continous flight auger, drilling auger
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- 86-15222875497
- https://tjdrilling.goldsupplier.com/
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