What is the diameter range?

Diameters range from 2 3/8' to 7'.

What is the lead time for orders?

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

Artificial Subsurface Sub Coupling / Changeover X-Over

Name: Artificial Subsurface Sub Coupling / Changeover X-Over
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1984059855

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"*3-1/2" CROSSOVER

Connection

Female

Flexible or Rigid

Rigid

Material

Alloy

Standard

Coupling Material

J55 N80 P110

Coupling Thread

Eue Nue Btc

Coupling Standard

5CT

Length

as Request

Transport Package

Woodne Case

Specification

2-3/8"~20"

Trademark

Origin

China

HS Code

8431431000

Production Capacity

3000 PCS Per Month

Key features

Wide Size Range: Available in diameters from 2 3/8' to 7' with various weights and lengths.

Multiple Material Grades: Offers J-55, K-55, N-80, L-80, and P-110 grades for diverse applications.

Customizable Lengths: Lengths can be customized as per specific customer requests.

Versatile Connection Types: Supports EUE, NUE, STC, LTC, and BTC connection combinations.

High Performance Sealing: Features good sealing and connectivity with consistent metallographic structure.

OEM and ODM Services: Manufacturer offers both OEM and ODM services for custom requirements.

6 Months Warranty: Comes with a 6-month warranty period for peace of mind.

Seamless Steel Construction: Manufactured from high-quality seamless steel for durability.

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: ≤11.12h 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.