How long does your warranty?

We can assured the quality within 90 days after receiving the cargoes.

What is the minimum order quantity?

The minimum order quantity is 1 Set.

What are the terms of payment?

LC, D/P, T/T, PayPal, Western Union, and Small-amount payment are accepted.

Circulating Sub for Wellhead Pipe String and Ground Circulating System Connecting

Name: Circulating Sub for Wellhead Pipe String and Ground Circulating System Connecting
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 2051940472

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

US$1,200.00

1-2 Pieces

US$1,000.00

3+ Pieces

Sample price:US$1500.00/piece.Request sample

Product profile

Customization

Available

Customized

Certification

ISO, API

Model NO.

Circulating Sub

Material

Alloy

Color

Blue

Connection

Payment

L/C T/T

Size

Customized

Transport Package

Wooden Box

Specification

NC26

Trademark

Tianhe

Origin

China

HS Code

8431431000

Production Capacity

50000PC/Year

Key features

Customizable Color and Size: Color can be customized to Blue, and Size is fully customizable to meet specific requirements.

API and ISO Certified: Holds ISO9001 certification and API certificates including 5CT, 5DP, 7-1, and Q1.

50+ Years Experience: Over 50 years of professional production experience in downhole tools and drilling equipment.

Flexible MOQ: Minimum order quantity is just 1 set, with stock available for common sizes.

Strict Quality Control: 100% inspection of finished products and SGS inspection accepted for quality assurance.

Global Recognition: Products recognized by customers in over 50 countries and regions worldwide.

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.