Premium 4 Inch Double-Wall Drill Pipe for Enhanced Durability

Name: Premium 4 Inch Double-Wall Drill Pipe for Enhanced Durability
Brand: Langfang Baiwei Drill Co., Ltd.
SKU: 783825512

Hebei, ChinaLangfang Baiwei Drill Co., Ltd.

US$41.00-45.00

12 Pieces

Product profile

Customization

Available

Certification

ISO 9001:2008

Condition

New

Model NO.

four inch drill pipe

Drill Hole Diameter

<100mm

Bit Type

Diamond Bit

Drilling Way

Compound

Type

Crawler

Drill Hole Depth

1m-9999m

O.D.of The Outer Tube

73mm

I.D.of The Inner Tube

35mm

Outer Diameter of Joint

73mm

Effective Length

Trademark

Longway

Origin

China

HS Code

8431432000

Production Capacity

500PCS/Month

Key features

Double-Wall Design: Inner and outer pipes form an annulus for efficient flushing medium pumping and center sampling.

Reverse Circulation: Increases permeability in lost strata, reduces fluid consumption, and protects reservoir stratum.

Time-Saving Operation: Kill method transfers heavy mud directly to the well bottom without periodic circulation.

24/7 Global Support: Provides round-the-clock technical assistance and spare parts supply worldwide.

Custom Configurations: Offers tailored attachments and full customization options from samples or designs.

Cost Efficiency: Saves costs on other consumable tools by reducing drilling fluid and protecting strata.

Versatile Applications: Suitable for hydraulic rock drilling, center sampling, and drilling in two directions.

Professional Manufacturer: Established in 2006 with ISO 9001 certification and 15 years of export experience.

Company profile

Years of Export ExperienceIn-stock CapacityHigh Repeat Buyers ChoiceImporters and Exporters

Langfang Baiwei Drill Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.76h

AI-Powered supplier vetting

SummaryThe supplier is a drilling-tools manufacturer integrating design, production, sales, and after-sales service. It reports five production lines, CNC machine-tool facilities, three quality inspectors, documented inspection procedures, and 15 years of export experience. Customization and ODM services are available, with new product development reported during the past year and technical expertise supported by consultants and a research team. After-sales procedures for complaints and corrective actions are documented, and installation, training, repair, maintenance, and debugging services are offered. However, the supplier has no overseas agents, branches, warehouse, or showroom, and reports no valid manufacturing-capacity contract with associated subcontractors. It also lacks an outsourcing SOP and continuous quantity reconciliation. Financial information is insufficient to assess credibility, while no formal certifications or specific customer cases are identified.

Supplier typeThe supplier is explicitly described as a drilling-tools manufacturing enterprise integrating design, production, sales, and after-sales service. Its product range includes HDD, oil, geological, anchoring, and other drilling rods, plus trenchless drilling tools.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaints, and offers installation, training, repair, maintenance, and debugging. However, it has no overseas agents or branches and reports zero countries with overseas services, limiting evidence of international service coverage.

R&D capabilityThe supplier reports new products during the past year, ODM capability, a research team, technical employees, and external experts in trenchless drilling tools and processing technology. It does not provide an SDK, but the available evidence supports active product-development capability.

Production capacityProduction evidence includes five production lines, CNC machine-tool facilities, in-stock capability, a broad drilling-tool product range, and 15 years of export experience. Risks include no valid contract with associated subcontractors, no outsourcing SOP, and no continuous quantity reconciliation for each batch or production volume.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing strong evidence of broad customization capability.