What is the warranty policy?

We provide a warranty for our products and offer comprehensive after-sales service.

What certifications do your products have?

Our drill pipes are manufactured according to API 5DP standards with strict quality control.

Drill String Components, API 5dp

Name: Drill Pipe /Drilling Tools/ Downhole Tools /Drill String Components, API 5dp
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 1937188202

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

Negotiable

100 Pieces

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

2 3/8"~ 6 5/8"OD

Manufacturing Process

Forging

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Cast Steel

Application

S: Energy & Mining, Well Drilling,Metallurgy

Transport Package

Iron Frame, Bundle

Specification

3 1/2"~6 5/8"OD

Trademark

Tianhe

Origin

China

HS Code

8431431000

Key features

API 5DP Certified Quality: Strict quality control from material qualification to final inspection ensures reliability and durability.

Wide Size Range: Available in nominated sizes from 2 3/8' to 6 5/8' with a wide range of wall thicknesses.

Friction Welded Technology: Complete line of friction welded drill pipes designed for high performance in energy and mining.

Full Customization Options: Supports customization from samples, designs, minor adjustments, and full customization services.

100% Finished Product Inspection: Every product undergoes visual and function inspection by 14 QA/QC inspectors before shipment.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Established Manufacturer: 20 years of export experience with 226 employees and a 400,000 square meter plant area.

Comprehensive After-Sales Service: Dedicated after-sales support and warranty coverage for all manufactured drilling tools.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceQuality AssurancePrivate Mold

Tianhe Oil Technology Co., Ltd.

Heilongjiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier operates in oil drilling, workover, cementing, completion, mining machinery, and related technical services. It has documented production equipment, quality-control procedures, product traceability, complaint-handling procedures, and customization options ranging from sample-based work to full customization. The supplier reports recent new-product development and ODM services, but is not identified as a professional technical supplier and does not provide 3D software design or SDK services. It holds ISO9001:2015, ISO45001:2018, ISO14001, and other certifications. Financial records are identified for 2020–2022, but their contents are not provided. Overseas warehouse, showroom, agent, or branch capabilities are absent. No specific customer cases are disclosed.

Supplier typeThe supplier is explicitly not classified as a professional technical supplier, while its stated business scope covers production, R&D, sales, maintenance, leasing, and technical services for oil drilling, workover, cementing, completion, and mining equipment. This indicates an equipment-focused industrial supplier with related technical-service activities rather than a dedicated professional technical-services provider.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, and other certifications. These certifications provide explicit evidence of quality, occupational health and safety, and environmental management certification.

After-Sales capabilityThe business scope includes maintenance and technical services, and the supplier has a clear, followed procedure for handling customer complaints. However, it has no overseas warehouse, showroom, overseas agent, or overseas branch, so international service coverage is limited based on the available evidence.

R&D capabilityThe supplier reports new products within the past year and provides ODM services, indicating active product-development capability. However, it does not provide 3D software design services, has no available SDK, and is explicitly not classified as a professional technical supplier, which limits the demonstrated scope of innovation support.

Production capacityThe supplier has a broad equipment base including tempering, carburizing and nitriding furnaces, lathes, milling and boring machines, CNC machining centers, and impact-testing equipment. Finished-product inspection instructions are uniformly followed, and the supplier reports 20 years of export experience with 41%–50% of sales from exports.

Customization capabilityBoth records explicitly list customization from samples, customization from designs, minor customization, and full customization. This demonstrates a broad stated customization range covering limited modifications through fully customized products.