What are the payment terms?

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

What is the lead time for production?

The average lead time is one month, regardless of peak or off-peak seasons.

Can you provide OEM/ODM services?

Yes, we offer both OEM and ODM services for our oilfield products.

2" Drill Pipe for Oilfield

Name: 2-7/8" -5-1/2" Drill Pipe for Oilfield
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1982313565

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$2,000.00

1 pc

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

2-3/8"-5-1/2"

Certification

ISO 9001:2000, ISO 9001:2008

Standard

AISI

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Add

No.37 Qilianshan Road

Transport Package

as Export Standard

Specification

2-3/8"-5-1/2"

Trademark

Origin

China, Shandong, Dongying

Key features

Multiple Steel Grades: Available in E75, G105, S135, and X95 grades to meet diverse drilling requirements.

Standard Compliance: Manufactured strictly according to 5D standards for quality assurance.

Customizable Hard Banding: Options include Arnco100XT, Arnco300XT, and tungsten carbide for enhanced durability.

Various OD Sizes: Available in 2 7/8", 3 1/2", 4", 4 1/2", 5", and 5 1/2" outer diameters.

ISO Certified Quality: Certified under ISO 9001:2000 and ISO 9001:2008 standards.

Forged Alloy Steel: Constructed from high-strength alloy steel with spray-paint surface treatment.

Versatile End Finishes: Offers EU (external upset) and IEU (internal & external upset) end types.

One Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

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: ≤11.65h 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.