What is the manufacturing process for these rods?

The manufacturing process involves forging to ensure the mechanical properties and durability of the rods.

What surface treatment is applied to the rods?

The rods undergo painting as a surface treatment to protect against corrosion.

Can I get samples before placing a bulk order?

Yes, samples are available for your review and testing.

API 11b Grade D Sucker Rod for Pumping Unit

Name: API 11b Grade D Sucker Rod for Pumping Unit
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 1957034782

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$1.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Available

Warranty

12 Months

Model NO.

sucker rod 5/8*30ft

Manufacturing Process

Forging

Surface Treatment

Painting

Material

Alloy

Application

Pumping Unit Sucker Rod Pump

Tpye

Sucker Rod

Certificate

API ISO

Samples

Available

Transport Package

Wooden Case

Specification

5/8"-25 ft

Trademark

Origin

China(Mainland)

HS Code

843143

Production Capacity

100000PCS/Year

Key features

API 11B Certified Grade D: Manufactured strictly according to API Spec 11B standard for reliable performance.

High-Strength Alloy Steel: Made of high-quality alloy steel with heat treatment for high strength and plasticity.

Long Service Life: Features good plasticity and durability, suitable for deep wells with corrosive media.

12-Month Warranty: Comprehensive warranty coverage for 12 months to ensure product quality and safety.

Available After-Sales Service: Professional after-sales support is available to assist with installation and maintenance.

Forging Manufacturing Process: Produced via precision forging to ensure structural integrity and mechanical properties.

Multiple Grade Options: Available in C, K, D, KD, HL, HY, and KH grades to suit various well conditions.

Custom OEM/ODM Service: Supports customized application requirements with available OEM and ODM services.

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.