What are the main advantages of this coupling?

It features well-proportioned metallographic structure, good sealing, and high loading capacity after hot rolling.

Is OEM or ODM service available?

Yes, both OEM and ODM services are available for this product.

What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

Crossover Sub Joint

Name: Oil Well Tubing Pipe Coupling/X-Over/ Crossover Sub Joint
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 2124374125

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$15.00

5 Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

2-3/8"-5-1/2"

Material

Alloy

Add

No.37 Qianlianshan Road

Transport Package

Plywood Case

Specification

2-3/8"-9-5/8"

Origin

China, Shandong, Dongying

Key features

Customizable Specifications: Different types and specifications available according to client requirements.

1-Year Warranty Coverage: Comprehensive 1-year warranty included for all mechanical equipment.

Superior Sealing Performance: Ensures good sealing and connectivity with consistent metallographic structure.

Versatile Thread Options: Available in EUE or NUE configurations for various tubing connections.

High-Strength Alloy Material: Constructed from durable alloy grades including J55, K55, L80, and N80.

Flexible Male Placement: Easy and flexible operation with male placement design for connecting pipes.

ISO9000 Certified Quality: Manufactured under ISO9000 international quality system certification.

Customizable Packaging: Packing options include carton, wooden case, pallet, or per customer request.

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.

Product Q&A

Q:Can the product specifications be customized?

Yes, we can provide different types and specifications according to client requirements.

Q:What is the warranty period for this coupling?

We provide a 1-year warranty for this product.

Q:What materials are used for the coupling?

The coupling is made of alloy materials, including grades J55, K55, L80, and N80.

Q:What thread types are available?

We offer EUE (External Upset End) and NUE (Non-Upset End) thread options.

Q:How is the product packaged?

Packaging includes carton, wooden case, wooden pallet, or can be customized per customer requirements.

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Oil Well Tubing Pipe Coupling/X-Over/ Crossover Sub Joint