Are the couplings suitable for sour service?

Yes, our P110 couplings are specifically designed to be H2S resistant for sour service.

What payment terms do you accept?

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

Custom OCTG Couplings with Thread Protector – API 5CT P110, Sour Service (H2S) Resistant, Global Shipping

Name: Custom OCTG Couplings with Thread Protector – API 5CT P110, Sour Service (H2S) Resistant, Global Shipping
Brand: Shandong Rosenwell Petroleum Technology Co., Ltd.
SKU: 2094546792

Shandong, ChinaShandong Rosenwell Petroleum Technology Co., Ltd.

US$10.00-25.00

1 Piece

Product profile

Customization

Available

After-sales Service

24/7

Warranty

12 Months

Model NO.

OCTG Coupling

Manufacturing Process

API 5CT Standard

Surface Treatment

API 5CT Standard

Operation Pressure

API 5CT Standard

Material

J55 / K55 / N80 / L80 / P110..

Thread

Nue, Eue, Btc, Stc, Ltc, Newvam, Vamtop, Htpac

Certificate

API, ISO9001

Transport Package

Export Worthy Packing

Specification

As API 5CT

Trademark

ROSENWELL

Origin

Shandong

HS Code

73079200

Production Capacity

500 Pieces/Month

Key features

Sour Service Resistance: H2S resistant couplings designed for sour service environments.

Wide Thread Variety: Available in NUE, EUE, BTC, STC, LTC, Newvam, Vamtop, and Htpac threads.

Customization Options: Custom thread types and premium products available upon customer request.

Comprehensive Warranty: 12-month warranty coverage for all mechanical defects.

24/7 Support: Round-the-clock after-sales service and technical assistance.

Global Shipping: International shipping available from Qingdao Port to Southeast Asia and Middle East.

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: ≤1.34h

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.