What are the lead times for production?

The average lead time is within 15 workdays during the off-season and one month during the peak season.

What payment terms are accepted?

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

What certifications does the product have?

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

Premium Drill Pipes and Rods by Tinahe Drilling, Specification 73

Name: Premium Drill Pipes and Rods by Tinahe Drilling, Specification 73
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1959730781

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 Steel Material: Crafted from special alloy steel and 4145H steel for superior strength, heat resistance, and wearability.

Versatile Application Range: Ideal for water wells, geothermal drilling, micropiles, and foundation projects in various global markets.

Robust and Simple Design: Simplistic structure ensures smooth casing handling, ease of operation, and reliable performance.

100% Quality Inspection: Every product undergoes strict visual and functional inspection to guarantee quality standards.

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

1-Year Warranty Coverage: Comprehensive warranty covering material and machining defects with prompt problem-solving support.

Global Market Experience: Exported to Europe, Russia, Southeast Asia, Africa, and South America with 17 years of export history.

Professional Technical Support: Over 30 experts provide assembly guidance and problem-solving assistance for seamless 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: ≤8.04h

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 pipes?

The drill pipes are made from premium special alloy steel, and the adapters are crafted from high-grade 4145H steel for excellent welding performance and durability.

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

They are suitable for water well drilling, geothermal drilling, foundation drilling, overburden drilling, and creating micropiles for buildings, dams, and harbor projects.

Q:Is customization available for these products?

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

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

We provide a 1-year warranty. Our after-sales service ensures that any problems arising from material or machining defects are promptly addressed.

Q:What is the minimum order quantity (MOQ)?

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