Powered by Made-in-China.com
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearModel NO.
2-7/8Manufacturing Process
CNC MillingSurface Treatment
GalvanizedOperation Pressure
Atmospheric PressureMaterial
AlloyProduct Name
Pup JointGrade
J55, L80, K55, P110, N80Thread
Eue or NueTransport Package
BulkSpecification
2-7/8, 3-1//2, 4-1/2Trademark
ZXOrigin
ChinaHS Code
7304291000Production Capacity
1000 PCS Per MonthKey features
Customizable Lengths: Any length can be specified beyond standard options of 1 to 12 feet.
Wide Grade Selection: Available in H40, J55, K55, L80, N80, P110, Q125, and other proprietary steel grades.
Multiple Thread Options: Supports EUE, NUE, BTC, STC, LTC, SC, LC, BC, and Premium connections.
Seamless Manufacturing: Produced using seamless processing technology for high integrity.
One-Year Warranty: Covers mechanical defects for a period of one year from purchase.
CNC Milling Process: Manufactured with precision CNC milling for accurate dimensions.
Galvanized Surface: Features galvanized surface treatment for enhanced corrosion resistance.
OEM and ODM Services: Full OEM and ODM capabilities available for custom manufacturing needs.
Company profile

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.
Product Q&A
Q:Can the length of the pup joint be customized?
A:
Yes, any length can be specified. Standard lengths include 1, 2, 3, 4, 6, 8, 10, and 12 feet, but other lengths are available upon request.
Q:What steel grades are available for these pup joints?
A:
Available grades include H40, J55, K55, L80, N80/Q, C90, T95, P110, and Q125.
Q:What types of threads are supported?
A:
We offer EUE, NUE for tubing, and BTC, STC, LTC for casing, as well as SC, LC, BC, and Premium connections.
Q:What is the warranty period for this product?
A:
We provide a 1-year warranty for this product.
Q:Do you offer OEM and ODM services?
A:
Yes, both OEM and ODM services are available for our customers.
Send Inquiry
*To:
Dongying Zhaoxin Industry and Trade Co, Ltd.
Dongying Zhaoxin Industry and Trade Co, Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Steel Pipe Casing Coupling/2 7 8 Eue Tubing Coupling/Integral Pup Joint
US$2.69
500 Pieces(MOQ)
Factory Manufacturer 2 7/8" OCTG Pup Joint for Casing & Tubing with API 5CT
US$120.63
50 Pieces(MOQ)
API 5CT 2-7/8 L80 EU 6.5ppf 2FT Tubing Pup Joint
US$47.00
10 Pieces(MOQ)
API 5CT 2-7/8" J55 EU 6.5ppf 2FT Tubing Pup Joint
US$40.00
10 Pieces(MOQ)
Tubing Pup Joint a P I 5CT 2-7/8 N80-1/L80 EU 6.5ppf 2FT
US$37.00-38.00
50 Pieces(MOQ)
API 5CT Tubing and Casing Pup Joint3-1/2 2-7/8 2-3/8 with Coupling
US$20.63
100 Pieces(MOQ)
API 5CT Tubing and Casing Pup Joint3-1/2 4-1/2 2-3/8 2-7/8 with Coupling
US$2.36
50 Pieces(MOQ)
API 5CT OCTG Tubing Pup Joints for 2-7/8 Eue K55 Pup Joint and 3-1/2 Nue J55
US$30.00
100 Pieces(MOQ)
5CT Oilfield 2 7/8 Eue J55 Pup Joint with Coupling
US$100.00-300.00
5 Pieces(MOQ)
API 5CT Steel Pin X Box Straight Eue 2 7/8 Tubing Pup Joint
US$30.00
100 Pieces(MOQ)
API 5CT J55 L80 N80 P110 Tubing Nipple Casing Tubing Pipe Pup Joint with Coupling
US$40.00-45.00
5 Pieces(MOQ)
API 5CT L80 2-7/8" Tubing Pup Joint for Mild Corrosion Oil Gas Production Tubing Connection
US$20.00-120.00
1 Piece(MOQ)
3-1/2"EU Pup Joint Grade K55/J55/N80/P110/L80 China Manufacturer
US$38.00-39.00
50 Pieces(MOQ)
5CT 2-7/8 EU Tubing Pup Joint with Coupling
US$50.00
1 Piece(MOQ)
Pup Joint 3-1/2"9.3# EU, L80, 80FT, Pin*Box, Psl-1.
US$47.00-48.00
50 Pieces(MOQ)
5CT 2-3/8 2-7/8 3-1/2 4-1/2 Nue/Eue Pup Joints for Oilfield Drilling
US$100.00-300.00
5 Pieces(MOQ)



















