What is the minimum order quantity?

The minimum order quantity is 1 piece.

How long does it take to deliver the products?

Lead time is within 15 workdays during off-peak season and one month during peak season.

What payment methods are accepted?

We accept LC, T/T, PayPal, Western Union, Small-amount payment, and D/P.

High-Quality Drill Rods and Drill Pipes by Tinahe Drilling

Name: High-Quality Drill Rods and Drill Pipes by Tinahe Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1959886661

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

Premium Alloy Material: Forged from special alloy steel with exceptional strength, heat resistance, and wearability.

Robust Adapter Design: Crafted from 4145H steel for outstanding welding performance and secure connections.

Comprehensive Warranty: 1-year warranty covering defects in material or machining with complete customer satisfaction.

Versatile Application Range: Ideal for water wells, geothermal drilling, foundation work, and hole blasting.

ISO 9001 Certification: Certified under ISO 9001:2000 and ISO 9001:2015 standards for quality assurance.

Flexible Customization: Offers minor customization, sample-based, design-based, and full customization options.

100% Product Inspection: Every finished product undergoes visual and functional inspection before delivery.

Expert Technical Support: Over 30 experts provide assembly guidance and problem analysis for smooth operations.

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: ≤11.02h

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.