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We have cooperated with langway for many years, Ms.lily Gao, the sales manager of langway, has a very good service, both the delivery time and the quality of the products are very good, this is my best experience in China, thank you.

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remet thread dual tube drill pipe online manufacture

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buy DP219/150 Size  Black Double Wall Drill Pipe 73mm Outer Diameter online manufacturer

DP219/150 Size Black Double Wall Drill Pipe 73mm Outer Diameter

73mm Outer Dianeter Of Joint Or Customized Double Wall Drill Pipe Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. Certification: ISO API In order to ... Read More
2025-10-14 11:12:27
buy ISO9001 3m Length DTH Hammer Directional Drilling Pipe Double Wall online manufacturer

ISO9001 3m Length DTH Hammer Directional Drilling Pipe Double Wall

Double Wall Drill Pipes For RC Reverse Circulation DTH Hammer Product Description The non-grooved double-wall drill rod is composed of an inner drill rod and an outer drill rod (called inner drill rod and outer ... Read More
2025-10-14 11:12:26
buy Black / Blue E75 Double Wall Drill Pipe 3m / 4.5m / 6m Length online manufacturer

Black / Blue E75 Double Wall Drill Pipe 3m / 4.5m / 6m Length

Product Description: Double Wall Drill Pipe Double wall drill pipe is a kind of reverse circulation drill pipe, which is a piping system designed to ensure the safety and reliability of drilling operations. It ... Read More
2025-10-14 11:12:19
buy 4IF Threads 114 O.D.  Hammer Directional Drilling Pipe / RC Dual Wall Pipe online manufacturer

4IF Threads 114 O.D. Hammer Directional Drilling Pipe / RC Dual Wall Pipe

Customized Double Wall Drill Pipe For Reverse Cycle Drilling Product Description Double wall drill pipe is suitable for reverse circulation technology, and its scope of application is 1. It is suitable for ... Read More
2025-10-14 11:12:28
buy S135 Remet Threads 3m Length Heavy Wall Drill Pipe , 3 Drill Pipe online manufacturer

S135 Remet Threads 3m Length Heavy Wall Drill Pipe , 3 Drill Pipe

Circulation Water Well Drill Pipe Double Wall Rods Reverse Cireulation Drilling For Geological Product Description In order to realize the reverse circulation drilling process of the through-hole DTH hammer, ... Read More
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ISO API Certificated 73mm Outer Dianeter Spiral Drill Pipe / X95 Drill Pipe

73mm Outer Dianeter Of Joint Steel Reverse Circulation Double Wall Drill Pipes Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. Certification: ISO API In ... Read More
2025-10-14 11:12:26
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Reverse Circulation Drill Pipe / RC Double Wall Drill Pipe Product Description In order to realize the reverse circulation drilling process of the through-hole DTH hammer, the supporting drilling tool system ... Read More
2025-10-14 11:12:25
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