What certifications does the product have?

The product is API Certified, manufactured in an API-Certified facility adhering to ISO and HSE management systems.

API Certified Oilfield Downhole Drop-in Check Valve

Name: API Certified Oilfield Downhole Drop-in Check Valve
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 1926103471

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

US$200.00-800.00

1 Piece

Product profile

Customization

Available

After-sales Service

Support

Warranty

Support

Model NO.

F03

Manufacturing Process

CNC Milling

Surface Treatment

Without Processing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Connection API

Nc26 5 1/2fh 65/8 Reg

Check Valve Od mm

34-68

Landing Sub Od mm

89-203

Stop Ring ID mm

31-64.5

Transport Package

Wooden Case

Specification

see the detail specification

Trademark

TIANHE

Origin

China

HS Code

8208101900

Production Capacity

50000piece/Year

Key features

API Certified Quality: Manufactured by an API-Certified facility ensuring highest quality standards for petroleum industry.

Blowout Prevention: Prevents upward flow through drill pipe, allowing controlled circulation and simplifying well control.

Customizable Dimensions: Check Valve OD, Landing Sub OD, and Stop Ring ID are customizable based on specific requirements.

Advanced CNC Manufacturing: Utilizes 5-axis Linkage Turning & Milling Centers for high precision and quality consistency.

Comprehensive Inspection: 100% inspection including visual and function checks using OES analyzers and ultrasonic detectors.

50 Years Experience: Backed by half a century of production experience and strong relationships with 200+ companies.

Export-Ready Packaging: Wooden cases treated for export, ensuring protection against damage during overseas transportation.

Full Customization Support: Offers customization from samples, designs, minor adjustments, and full customization options.

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.