What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.

Is the manufacturer API certified?

Yes, Tianhe Oil Group is an API-Certified established manufacturer implementing ISO and HSE quality management systems.

What is the maximum up jarring force?

The maximum up jarring force varies by model, ranging from 350 kN to 1250 kN depending on the specific size selected.

High Quality Double Acting Hydraulic Mechanical Drilling Jar

Name: High Quality Double Acting Hydraulic Mechanical Drilling Jar
Brand: Tianhe Oil Technology Co., Ltd.
SKU: 2139886135

Heilongjiang, ChinaTianhe Oil Technology Co., Ltd.

US$200.00-30,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

24hours Quick Response

Warranty

12 Months

Model NO.

JYSZ159

Manufacturing Process

CNC Milling

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Alloy

API Connection

Nc46

Pump Area

100

Total Length

9450

ID

57.2

Max up Jarring Force

700

Transport Package

Wooden Box

Specification

121mm, 178mm, 203mm, 207mm

Trademark

TIANHE

Origin

China

HS Code

8431431000

Production Capacity

5000piece/Year

Key features

Double Acting Design: Delivers hydraulic delay for up jarring and mechanical release for down jarring.

Strong Jarring Force: Provides excellent functional stability and strong impact forces in both directions.

Deep Well Application: Recommended for directional and deep wells drilling to free stuck drill strings.

API Certified Quality: Manufactured by API-Certified Tianhe Oil Group with ISO and HSE systems.

Full Customization: Supports customization from samples, designs, minor, and full customization options.

12 Months Warranty: Comprehensive 12-month warranty coverage with 24-hour quick response service.

CNC Precision Manufacturing: Produced using CNC milling and advanced numerical control machinery.

Export Standard Packaging: Suitable for export packing with precautions to protect cases during transport.

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:What is the working principle of this drilling jar?

It uses hydraulic delay for up jarring by overcoming spring resistance and mechanical release for down jarring by compressing the spring to store elastic potential energy.

Q:Can this product be customized?

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

Q:What is the warranty period?

We provide a 12-month warranty with a 24-hour quick response after-sales service.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.

Q:What are the payment terms?

We accept LC, D/P, T/T, PayPal, Western Union, and small-amount payments.