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All 219mm o d double wall drill pipe wholesalers & 219mm o d double wall drill pipe manufacturers come from members. We doesn't provide 219mm o d double wall drill pipe products or service, please contact them directly and verify their companies info carefully.
| Total 1 products from 219mm o d double wall drill pipe Manufactures & Suppliers |
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Brand Name:Longway Place of Origin:China Product Description In order to realize the reverse circulation drilling process of the through-the-hole DTH hammer, the matching drilling tool system mainly includes a double-wall drill rod. In addition to the through-the-hole DTH hammer used to realize... |
Langfang Baiwei Drill Co., Ltd.
Hebei |
