Is OEM service available?

Yes, OEM and ODM services are available.

What is the annual production capacity?

The annual heat-treatment capacity is 150,000 tons, and thread machining capacity is 300,000 tons.

What quality tests are performed?

Tests include tensile strength, impact, chemical properties, and sulfide stress cracking.

5CT 2-7/8" Eue N80 Tubing Coupling for Pin Thread

Name: 5CT 2-7/8" Eue N80 Tubing Coupling for Pin Thread
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1984122315

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$5.00

10 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After Sale Service

Warranty

6 Months

Model NO.

2-7/8" pin thread

Connection

Female

Flexible or Rigid

Rigid

Material

Alloy

Standard

Coupling Material

J55, N80, P110, 13cr

Thread Type

Eue Nue Btc LC

Package

Wooden Case

Coupling Type

Normal or Special Clearance

Transport Package

Woodne Case

Specification

2-3/8"~20"

Trademark

Origin

China

HS Code

8431431000

Production Capacity

3000 PCS Per Month

Key features

Customizable Material Grades: Available in J55, N80, P110, and 13cr coupling materials.

Flexible Thread Options: Supports Eue, Nue, Btc, and LC thread types.

High Production Capacity: Annual heat-treatment capacity of 150k tons and thread machining of 300k tons.

Comprehensive Quality Control: Includes tensile, impact, chemical, and sulfide stress cracking tests.

OEM and ODM Services: Full OEM and ODM support available for custom requirements.

Wide Diameter Range: Handles tubing from 2 3/8' to 4 1/2' and casings up to 13 3/8'.

Professional Packaging: Securely packed in wooden cases for safe transportation.

Established Manufacturer: Factory established in 2001 with 61 employees and 5 R&D engineers.

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: ≤11.30h 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.