What is the manufacturing process?

The couplings are produced using a forging manufacturing process.

What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the typical lead time for orders?

The lead time is 1-3 months for both peak and off-peak seasons.

3/4" 7/8" 1" T Sucker Rod Coupling Sm Sh Fs Coupling

Name: 3/4" 7/8" 1" T Sucker Rod Coupling Sm Sh Fs Coupling
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 772483052

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$1.00-5.00

1 Piece

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Manufacturing Process

Forging

Surface Treatment

Polishing

Model NO.

Sucker Rod Coupling

Operation Pressure

Vacuum

Material

Cast Steel

Sucker Rod Coupling Type

Class T and Class Sm Coupling

Apply Hole Type

Silm Hole

Application

for Sucker Rod

Certification

API 11b

Transport Package

Wooden Case

Specification

3/4"

Trademark

Origin

Henan

HS Code

8431

Key features

API 11B Compliance: Manufactured strictly according to API Specification 11B standards for Class T and Class SM couplings.

Premium Material Grade: Class T couplings utilize AISI 5140 steel for superior strength and durability.

Customizable Surface Treatment: Phosphate chemical treatment or blackoxide coating available upon customer request.

Versatile Size Options: Available in full size, slim hole, and over size configurations for various applications.

Combination Coupling Design: Custom combinations available for different diameters across Class T and Class SM types.

OEM and ODM Services: Full OEM and ODM capabilities supported by 8 dedicated R&D engineers.

Forging Manufacturing Process: High-quality forging process ensures structural integrity and performance.

Global Market Experience: Exporting since 2016 to North America, Europe, Asia, and other major markets.

Company profile

Puyang Zhongshi Group Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-09-22 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryPuyang Zhongshi Group Co., Ltd. is identified as a Chinese manufacturer established in 1997, focused on casing cementing equipment, float equipment, centralizers, and cementing plugs. The supplier reports a 52,000 m² plant, 10 production lines, annual casing-centralizer output of 200,000 pieces, and exports to multiple global regions. ISO 9001:2015, ISO 14001:2015, and ISO 45001:2016 are stated, while other company information references API certifications. Trade records show shipments associated with buyers in India, Brazil, and Peru, but the records are recent and limited. Evidence supports established manufacturing and export capability; after-sales service, financial credibility, and customization capability remain insufficiently documented.

Supplier typeThe supplier is explicitly classified as a manufacturer and describes itself as producing casing cementing equipment and related oilfield products. It is based in Puyang, Henan, China, and reports that it was established in 1997.

CertificationsThe supplier reports ISO 9001:2015, ISO 14001:2015, and ISO 45001:2016 management-system certificates. It also states that it holds API 5CT, API 6A, API 11AX, and API 11E certificates, although the provided information does not include certificate validity or scope details.

Production capacityProduction capability is supported by a reported 52,000 m² plant, 10 production lines, 9 factories, more than 500 employees, and annual casing-centralizer output of 200,000 pieces. The supplier also states that it can serve broad international markets, with typical lead times of 2–3 months in both peak and off-peak periods.

Client casesThe supplier is associated with buyers or shipments involving VNK Solutions, Smart Welding de Macae Servicos Ltda, and a Peru-related transaction, while also stating exports to more than 30 countries. The evidence indicates international customer exposure, but provides limited detail on completed projects, customer satisfaction, order scale, or repeat business.