What manufacturing standard do you follow?

Class T and Class SM couplings are manufactured as per Specification 11B.

What is the lead time for production?

The average lead time is one month, regardless of whether it is peak season or off-season.

Class T and Spray Metal Sucker Rod Coupling

Name: Class T and Spray Metal Sucker Rod Coupling
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 2287095945

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$3.00

1 Piece

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

7/8

Manufacturing Process

CNC Milling

Surface Treatment

Spray-Paint

Material

Alloy

Transport Package

Wooden Case

Specification

5/8", 3/4", 7/8", 1", 1-1/8"

Trademark

Origin

China

Key features

Cold Form Rolled Threads: Uses cold form rolling to create compressive stress for maximum thread strength.

Customizable Coating: Coating options include phosphate chemical treatment or black oxide upon request.

Multiple Size Options: Available in full size, slim hole, over size, and combination sub-couplings.

High-Strength Material: Class T coupling manufactured using AISI 5140 alloy material.

Hardening Process: Class SM coupling features spray metal specification hardening process.

1 Year Warranty: Comprehensive 1-year warranty coverage included with the product.

ISO Certified Quality: Manufactured under ISO-9001, ISO-14001, and OHSAS-18001 certified systems.

OEM and ODM Services: Full OEM and ODM services available for custom manufacturing needs.

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:What materials are used for Class T and Class SM couplings?

Class T coupling is manufactured using AISI 5140 alloy, while Class SM coupling uses a spray metal specification hardening process applied to base metal.

Q:Can the coating be customized?

Yes, the coupling can be coated using phosphate chemical treatment or black oxide based on customer request.

Q:What sizes are available for these couplings?

Couplings are available in full size, slim hole, over size, and combination sub-couplings for different diameters.

Q:What is the warranty period for this product?

We provide a 1-year warranty for the Class T and Spray Metal Sucker Rod Coupling.

Q:Do you offer OEM and ODM services?

Yes, we offer both OEM and ODM services to meet specific customer requirements.