What is the manufacturing process used?

The pup joints are manufactured using CNC milling and seamless steel pipe processing.

Are there specific size ranges for tubing and casing pup joints?

Tubing pup joints range from 2 3/8' to 4 1/2', while casing pup joints range from 4 1/2' to 20 inches.

What certifications does the manufacturer hold?

The manufacturer is certified under ISO-9001, ISO-14001, and OHSAS-18001 standards.

2-7/8 Eue J55 Tubing Pup Joint

Name: 2-7/8 Eue J55 Tubing Pup Joint
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1964838165

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$50.00

1 Piece

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

2-7/8

Manufacturing Process

CNC Milling

Surface Treatment

Galvanized

Operation Pressure

Atmospheric Pressure

Material

Alloy

Product Name

Pup Joint

Grade

J55, L80, K55, P110, N80

Thread

Eue or Nue

Transport Package

Bulk

Specification

2-7/8, 3-1//2, 4-1/2

Trademark

Origin

China

HS Code

7304291000

Production Capacity

1000 PCS Per Month

Key features

Customizable Lengths: Any length can be specified beyond standard options like 2', 3', 4', 5', 6', 8', 10', 12'.

Wide Grade Selection: Available in H40, J55, K55, L80, N80/Q, C90, T95, P110, Q125 for various applications.

Multiple Thread Options: Offers EUE, NUE, BTC, STC, LTC, SC, LC, BC, Semi Premium, and Premium connections.

Seamless Processing: Manufactured using seamless steel pipe processing for high integrity and reliability.

1-Year Warranty: Comes with a comprehensive 1-year warranty coverage for peace of mind.

ISO Certified Quality: ISO-9001, ISO-14001, and OHSAS-18001 certified manufacturer ensuring top standards.

OEM & ODM Services: Full OEM and ODM services available to meet specific customer requirements.

Galvanized Surface: Features galvanized surface treatment for enhanced corrosion resistance.

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.