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ZHENGZHOU LD DIAMOND CO.,LTD
Zhengzhou, Henan, China (Mainland)
86-249-60835862
Business Type:
Manufacturer, Trading Company
Featured Products
PDC core bit/PDC rib core bit
diamond core bit/PDC core bit
NQ PQ AQ BQ diamond core bit/PDC core bit
NQ3 HQ3 PDC core bits/PDC core bits
NW or API connection high quality PDC core bit for well drilling
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