Do you offer customization?

Yes, we offer full customization from samples and designs, as well as minor customization options.

What grades are available?

Our products are available in E, X, G, and S grades.

What is the lead time?

Peak season lead time is within 15 workdays, and off-season lead time is also within 15 workdays.

Hwdp

Name: API Certified Welding Drill Pipe/Kellydrill Collar/Hwdp
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 1914683581

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

US$1,900.00-20,000.00

1 kg

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Z09

Manufacturing Process

Forging

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Cast Steel

Grade

E,X,G,S

Lb/FT

6.65 to 27.72

Transport Package

Wooden Box

Specification

2-3/8" to 6-5/8"

Trademark

Tianheoil

Origin

China

HS Code

8431431000

Production Capacity

50000piece/Year

Key features

API Certified Quality: Manufactured under strict API standards with 100% visual and function inspection.

Comprehensive Warranty: Includes 1-year warranty and 1-year after-sales service coverage.

Wide Size Range: Available in nominal sizes from 2-3/8" to 6-5/8" with various wall thicknesses.

Multiple Grade Options: Offered in E, X, G, and S grades to meet diverse drilling requirements.

Forging Manufacturing: Produced using high-quality forging processes for superior durability.

Full Customization: Supports full customization from samples and designs with minor adjustments.

Experienced Manufacturer: Over 50 years of production experience in oil and gas tools.

Strict Quality Control: Rigorous control from material qualification to final outgoing inspection.

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: ≤15h

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.

Product Q&A

Q:How can I place an order?

You can contact us by email about your order details, or place order on line.

Q:How can I pay you?

After you confirm our PI, we will request you to pay. T/T or L/C detc payment terms are acceptable.

Q:What is the order procedure?

First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid payment or deposit before we go into production. After we get the deposit, we start to process the order. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

Q:What is the warranty period?

We provide a 1-year warranty and 1-year after-sales service.

Q:What sizes are available?

We offer drill pipes in nominal sizes from 2-3/8" to 6-5/8" with a wide range of wall thicknesses.