What is the delivery lead time?

The average lead time is within 15 workdays for both peak and off-season periods.

What grades are available for these couplings?

We offer Grade C, D, K, H, and KD to meet various drilling requirements.

API 11b Full Size Sm Sucker Rod Coupling Connect Sucker Rods

Name: API 11b Full Size Sm Sucker Rod Coupling Connect Sucker Rods
Brand: Shandong Rosenwell Petroleum Technology Co., Ltd.
SKU: 2045132002

Shandong, ChinaShandong Rosenwell Petroleum Technology Co., Ltd.

US$40.00

50-499 pieces

US$35.00

500-999 pieces

US$30.00

1,000+ pieces

Product profile

Customization

Available

Warranty

1 Year

Manufacturing Process

Forging

Model NO.

Surface Treatment

Without Processing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Marketing Type

Machine Type

Drilling Equipment

Use

Well Drilling

Application

Oilfield Drilling

Color

Black

Quality

Guaranteed

Machinery Test Report

Provided

Video Outgoing-Inspection

Provided

Showroom Location

None

Od

5/8"~ 1 1/2" (16 ~ 38mm)

Standard

API 11b

MOQ

50PCS

Transport Package

Wooden Pack

Specification

3kg

Trademark

Rosenwell

Origin

Shandong

HS Code

84314310

Production Capacity

5000 Pieces/Year

Key features

Wide Size Range: Available in OD 5/8' to 1 1/2' (16-38mm) to fit various sucker rod applications.

High-Grade Materials: Constructed from premium Alloy materials including A4120, A4142, A4130, and A4330.

Forging Manufacturing: Produced via precision forging process to ensure structural integrity and durability.

Quality Assurance: Includes machinery test reports and video outgoing inspections for guaranteed quality.

Customization Support: Offers OEM and ODM services with customization options from customer samples.

Competitive Pricing: Provides competitive prices to create added value and reduce operational costs.

Fast Lead Time: Ensures shortest lead time with peak and off-season delivery within 15 workdays.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shandong Rosenwell Petroleum Technology Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Other CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 7 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.13h

AI-Powered supplier vetting

SummarySHANDONG ROSENWELL PETROLEUM TECHNOLOGY CO., LTD. is presented as a professional petroleum technology supplier serving oilfield-related markets. It claims OEM-quality, interchangeable products, ODM and branded OEM service, sample-based customization, 3D design capability, and a professional technical supplier profile. The company reports 90% export sales, seven years of export experience, applications across several international oilfield markets, and an off-season average lead time within 15 working days. Its service-management procedures and corrective-action procedures are documented and followed, although the approved-supplier list lacks approval signatures or dates. Innovation evidence is limited: no new products were developed in the past year, and no SDK or private-mold capability is available. The supplier reports 21–30 quality-control staff and mud-pump-spare production of 5,000 tons, but the provided trade records show only one transaction for each of two valve-related products. No certification...

Supplier typeThe supplier identifies itself as a professional technical supplier in the petroleum sector, with OEM and ODM capabilities, sample-based customization, and products applied in international oilfield markets. Its profile is consistent with an industrial manufacturer or technical OEM/ODM supplier, although the slices do not explicitly state a formal legal supplier classification.

After-Sales capabilityThe supplier states that it provides after-sales warranty service. It also has written service-capability procedures, followed records, and a corrective and preventive action procedure with records; however, its approved-supplier list lacks an approval signature or date, and no detailed warranty terms or service performance results are supplied.

R&D capabilityThe supplier provides ODM service and 3D software design, and reports one year of total R&D-engineer experience. Conversely, it had no new products in the past year, has no available SDK, and has no private-mold capability, indicating some design support but limited demonstrated independent innovation.

Production capacityThe supplier reports mud-pump-spare production of 5,000 tons, 21–30 quality-control staff, 90% export sales, seven years of exporting, and an off-season average lead time within 15 working days. These figures support established production and delivery capability, although capacity for the specific valve products is not separately stated.

Customization capabilityThe supplier explicitly offers customization from samples, ODM service, OEM service for well-known brands, and 3D software design. It also claims OEM quality and 100% interchangeability, providing direct evidence of product customization and adaptation capability.

Client casesThe supplier states that its products are used in oilfields across the Middle East, Pan-Russia, Brazil, Colombia, India, and Indonesia, and identifies KIRI OILFIELD SERVICES PRIVATE LIMITED as a buyer in two trade records. However, the supplied records show only one transaction for each listed valve product, so the breadth of verified customer activity is limited.