What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece, allowing for flexible purchasing for various project sizes.

What are the lead times for production?

Lead times vary by season: peak season requires one month, while off-season production is completed within 15 workdays.

How is the quality controlled before shipping?

We conduct 100% inspection of finished products, including visual and function inspections, following strict instructions and QA/QC protocols.

Premium Drill Rods and Water Well Drill Pipes by Tinahe Drilling

Name: Premium Drill Rods and Water Well Drill Pipes by Tinahe Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1959731161

Hunan, ChinaChangsha Tianhe Drilling Tools and Machinery Co., Ltd.

US$40.00

10 Pieces

Product profile

Customization

Available

After-sales Service

Any Problem All Can Solution

Warranty

1 Year

Model NO.

73mm

Certification

ISO 9001:2000, Is0 9001:2015

Standard

Manufacturing Process

Welding

Material

Stainless Steel

Transport Package

Wooden Case

Specification

Trademark

Tinahe Drilling

Origin

Changsha

HS Code

84314320

Production Capacity

5000

Key features

High-Strength Alloy Steel: Crafted from special alloy steel with exceptional heat resistance and wearability for durable performance.

Versatile Application Range: Ideal for water wells, geothermal holes, micropiles, grouting, and foundation drilling projects.

Robust Adapter Design: Adapters made from 4145H steel ensure remarkable welding performance and secure, reliable connections.

Easy Operation & Handling: Simple design ensures seamless equipment handling, straightforward operation, and easy casing following.

1-Year Warranty Coverage: Comprehensive warranty covering material or machining defects with dedicated after-sales support.

ISO 9001 Certified Quality: Manufactured under ISO 9001:2000 and ISO 9001:2015 standards with 100% finished product inspection.

Flexible Customization Options: Offers minor, sample-based, design-based, and full customization to meet specific project needs.

Global Market Experience: Exported to over 17 years to regions including Europe, Russia, Southeast Asia, and South America.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Changsha Tianhe Drilling Tools and Machinery Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.76h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company rather than a professional technical supplier. It provides 3D software design, ODM, and multiple customization options, including full customization and customization from samples or designs. Product inspection procedures are documented and consistently followed, while supplier-service assessments and corrective-action procedures are also documented. The company has inventory capability, export experience, and has participated in the Perumin exhibition, but it has no overseas agents, branches, warehouse, showroom, or stated overseas service coverage. Innovation evidence includes new products introduced during the past year and ODM availability, but there is no SDK and no OEM service for popular brands. Manufacturing capacity has a stated contractual deficiency involving related subcontractors. Digital-management information is mixed: ERP use is reported, while broader digital-process construction is reported as not yet started. No certification, financial...

Supplier typeThe supplier is explicitly classified as a trading company and is also stated not to be a professional technical supplier. However, it provides 3D software design services, so its role includes service coordination beyond simple product trading.

After-Sales capabilityThe supplier reports inventory capability and offers training, repair, equipment installation, maintenance, and debugging. However, it has no overseas agents or branches, no overseas warehouse or showroom, and states zero countries for overseas service coverage, limiting evidence of an established international after-sales network.

R&D capabilityInnovation-related evidence includes new products within the past year, ODM services, 3D software design, and broad customization. Nevertheless, the supplier has no available SDK, does not provide OEM services for popular brands, and reports that broader enterprise digital-process construction has not started, although ERP use is also reported.

Production capacityOperational controls are supported by documented and consistently followed finished-product inspection instructions, written supplier-service assessment procedures with records, and corrective/preventive-action procedures. The supplier also reports inventory capability, but explicitly lacks a valid contract between the factory and related subcontractors, which is a stated manufacturing-governance deficiency.

Customization capabilityThe supplier explicitly supports minor customization, customization from samples, customization from designs, full customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What materials are used for the drill pipe and adapters?

The drill pipe is made from high-strength special alloy steel, while the adapters are constructed from robust 4145H steel for superior welding performance and connection reliability.

Q:What are the main applications for these drill pipes?

They are suitable for water well drilling, geothermal holes, hole blasting, foundation drilling, short micropiles, and medium mini-type grouting holes.

Q:Is customization available for this product?

Yes, we offer flexible customization options including minor customization, customization from samples, designs, and full customization services.

Q:What is the warranty period and after-sales service?

We provide a 1-year warranty covering material or machining defects. Our after-sales service ensures any problem can be solved with dedicated technical support.

Q:What certifications does the product hold?

The product is certified under ISO 9001:2000 and ISO 9001:2015 standards, ensuring high quality and reliability.