What is the warranty policy?

We provide supported warranty services and comprehensive after-sales support for our products.

What is the nearest shipping port?

Our nearest port is Qingdao Port.

What are the available thread types?

We offer NU, EU, STC, BTC, and LTC thread types for our casing and tubing couplings.

8 Inch Sucker Rod Coupling for Efficient Oil Extraction Solutions

Name: API 11b Grade D Spec 5/8, 3/4, 7/8, 1, 1-1/8 Inch Sucker Rod Coupling for Efficient Oil Extraction Solutions
Brand: Shandong Rosenwell Petroleum Technology Co., Ltd.
SKU: 2101145502

Shandong, ChinaShandong Rosenwell Petroleum Technology Co., Ltd.

US$300.00-1,000.00

1 Piece

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Supported

Warranty

Supported

Model NO.

Casing and Tubing

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Certificate

Coo/Coc

Delivery Time

Depend on Qty

Transport Package

Export Worthy Packing

Specification

Customize

Trademark

Rosenwell

Origin

China

HS Code

84314310

Production Capacity

200 Piece/Pieces Per Month

Key features

Forging Manufacturing Process: Ensures superior durability and structural integrity for demanding oilfield applications.

Polished Surface Treatment: Provides enhanced corrosion resistance and smooth operation for extended service life.

OEM and ODM Services: Full customization available from samples with competitive pricing and quality assurance.

Comprehensive After-Sales Support: Includes warranty coverage and professional engineering support for all equipment.

Fast Delivery Capability: Peak and off-peak season lead times within 15 working days for timely project completion.

Wide Range of Grades: Offers H40, J55, K55, N80, L80, P110, and Q125 to meet diverse operational requirements.

Multiple Thread Options: Compatible with NU, EU, STC, BTC, and LTC thread types for various pipe connections.

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: ≤1.99h

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.