What payment methods are accepted?

We accept T/T (Telegraphic Transfer) or L/C at sight for payments.

Is third-party inspection available?

Yes, we welcome third-party inspections such as BV, SGS, and TUV to ensure product quality meets international requests.

What are the shipping options?

For samples, we suggest courier express (DHL/UPS/TNT/FEDEX) or air freight. For bulk orders, we suggest air or sea shipping.

5CT 10th OCTG Tubing Coupling and Casing Coupling

Name: 5CT 10th OCTG Tubing Coupling and Casing Coupling
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2095601465

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$20.00

100 Pieces

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

1 Year

Model NO.

API 5CT 10th OCTG Tubing Coupling and Casing Coupl

Manufacturing Process

Seamless

Surface Treatment

Painting

Operation Pressure

Material

L80 / N80 / J55 / K55 / P110

Product Name

API 5CT 10th OCTG Tubing Coupling and Casing Coupl

Size

2-3/8"~20"

Thread

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

Color

as Standard API 5CT

Standard

API 5CT

MOQ

10ea

Transport Package

Wooden Case

Specification

2-3/8"~20"

Trademark

Origin

China

HS Code

84314310

Production Capacity

500000pieces/Year

Key features

API 5CT Certified Quality: Manufactured strictly according to API 5CT and 5B specifications with ISO 9001:2008 compliance.

Wide Grade & Size Range: Available in J55, N80, L80, P110 grades with sizes from 1.9" to 20" for tubing and casing.

Corrosion Resistance: Treated with phosphating or copper plating to ensure strong abrasion and corrosion resistance.

Customization Available: Supports special requirements like special-clearance, combination, and seal-ring couplings.

Strong Thread Viscosity: Threads designed with strong viscous resistance for secure connections in oilfield applications.

Third-Party Inspection: Quality verified by third-party inspections such as BV, SGS, and TUV upon request.

Professional After-Sales: Provides 1-year warranty and online support for all purchased coupling products.

Flexible Payment Terms: Accepts T/T (Telegraphic Transfer) or L/C at sight for convenient transaction options.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.87h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.