What is the structure of the coupling?

The structure of the coupling is round.

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

5CT Tubing Casing Coupling Eue Thread

Name: 5CT Tubing Casing Coupling Eue Thread
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1982062225

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.

4-1/2"

Connection

Female

Flexible or Rigid

Rigid

Material

Alloy

Standard

Thread

Eue/Nue/Btc/Sc

Transport Package

Woodne Case

Specification

2-3/8"~20"

Trademark

Origin

China

HS Code

8431431000

Production Capacity

3000 PCS Per Month

Key features

Comprehensive Customization: Custom couplings available for special requirements like seal-ring or reducing types.

High Durability Coating: Treated with phosphating or copper plating for excellent abrasion and corrosion resistance.

Strong Thread Performance: Threads feature strong viscous resistance to ensure secure connections.

Professional Manufacturer: Established in 2001 with 61 employees and advanced CNC machining capabilities.

Flexible Payment Terms: Accepts LC and T/T payment methods for international trade convenience.

Reliable Lead Time: Average lead time is one month for both peak and off-season periods.

OEM/ODM Support: Supports OEM and ODM services with 5 dedicated 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: ≤8.22h 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 is the warranty period for the coupling?

The warranty period is 6 months.

Q:What materials are used for the coupling?

The coupling is made of alloy material.

Q:What is the connection type of the coupling?

The connection type is female.

Q:Can the coupling be customized?

Yes, customized couplings can be supplied according to special requirements, such as special-clearance, combination, reducing, seal-ring, or special-bevel tubing couplings.

Q:What is the thread type available?

The thread types available include Eue, Nue, Btc, and Sc.