What is the lead time for orders?

The average lead time is one month. This applies to both peak season and off-season periods, ensuring consistent delivery schedules.

What are the payment terms accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as standard payment terms for international transactions.

What is the wall thickness range for the 3-1/2 inch drill rods?

For the 3-1/2 inch (89mm) drill rods, the wall thickness options are typically 6.00mm or 8.00mm, depending on the specific model and application.

Drill Pipe

Name: 3-1/2" 89mm DTH Water Well Drill Rod/Drill Pipe
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 2003895785

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$200.00

100 Pieces

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1year

Model NO.

3-1/2

Manufacturing Process

CNC Milling

Surface Treatment

Galvanized

Material

Alloy

Transport Package

Wooden Case

Specification

Trademark

Origin

China

Production Capacity

200

Key features

Customizable Length Options: Available in 1.5m, 3m, 4.5m, 5.8m, 6.1m, 7m, 8.8m, 9.7m, 12m or based on your requirements.

Multiple Steel Grades: Offered in R780, J55, E75, X95, G105, and S135 to suit various drilling conditions.

Versatile Thread Connections: Supports REG, IF, NC, FH, and XH connections for compatibility with diverse equipment.

Wide Application Scope: Ideal for geological exploration, coal mining, water conservancy, highways, railways, and construction.

OEM and ODM Services: Full OEM and ODM services available to meet specific customer design and manufacturing needs.

Galvanized Surface Treatment: Galvanized finish provides enhanced corrosion resistance and durability in harsh environments.

1-Year Warranty Coverage: Comprehensive 1-year warranty included for peace of mind and quality assurance.

Professional After-Sales Support: Dedicated after-sales service team available to assist with technical inquiries and support.

Company profile

Dongying Zhaoxin Industry and Trade Co, Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-04-14 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryDongying Zhaoxin Industry and Trade Co., Ltd. is a China-based limited company in Shandong that manufactures and processes oilfield tools and equipment. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, a dedicated R&D team, more than 40 national patents, six to ten quality-control staff, and two production lines. It offers downhole tools, cementing tools, wellhead equipment, oil-well packers, tubing anchors, and torque anchors. The company states that it provides research, development, manufacturing, sales, and after-sales service. Export activity is documented since 2014, with markets in South America and Europe, although export sales represent only 11%–20% of total sales. Evidence is insufficient to assess financial credibility, customization capability, or specific customer cases.

Supplier typeThe supplier is a Chinese limited company engaged in manufacturing and processing machinery, specifically oilfield tools and equipment. Its stated activities cover research, development, manufacturing, sales, and after-sales service, indicating a manufacturer rather than only a trading intermediary.

CertificationsThe supplier explicitly reports ISO9000 international quality-system certification and current ISO9001:2015, ISO14001:2015, and ISO45001:2016 certificates. These certifications provide direct evidence of formal quality, environmental, and occupational-health-and-safety management systems.

After-Sales capabilityThe company explicitly states that its business includes sales and after-sales service for oilfield tools and equipment. However, the slices do not describe service coverage, staffing, response times, spare parts, or warranty terms.

R&D capabilityThe supplier reports a practical and experienced R&D team, more than 40 national patents, five years of R&D-engineer experience, and a stated focus on new products and technology. These claims directly support an established innovation function, although no patent titles or technical performance data are provided.

Production capacityThe supplier operates a manufacturing plant of 11,000 square meters, two production lines, and reports one-month order fulfillment in both off-peak and peak seasons. Its listed product scope covers multiple oilfield equipment categories, supporting production capability, although detailed capacity and equipment information is unavailable.

Product Q&A

Q:What are the available length options for the drill rods?

Standard lengths include 1.5m, 3m, 4.5m, 5.8m, 6.1m, 7m, 8.8m, 9.7m, and 12m. Custom lengths can be provided based on your specific requirements.

Q:Which steel grades are available for these drill pipes?

We offer a wide range of steel grades including R780, J55, E75, X95, G105, and S135 to ensure suitability for different drilling environments.

Q:Can I customize the thread connection type?

Yes, we provide various thread connection options such as REG, IF, NC, FH, and XH to match your existing equipment and operational needs.

Q:What is the warranty period for this product?

The product comes with a 1-year warranty covering manufacturing defects, ensuring quality and reliability for your investment.

Q:Do you offer OEM or ODM services?

Yes, we provide both OEM and ODM services. Our team of 5 R&D engineers can assist in customizing products to meet your specific design and functional requirements.