What is the warranty period?

We provide a 1-year warranty with online support for all our products.

What materials are used?

Materials include L80, N80, J55, K55, and P110 grades, treated with phosphating or copper plating.

L80/80 Tubing Coupling with API8rd Eue and Nue Thread

Name: L80/80 Tubing Coupling with API8rd Eue and Nue Thread
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2089741825

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.

EUE, NUE

Manufacturing Process

Seamless

Surface Treatment

Painting

Operation Pressure

Material

L80 / N80 / J55 / K55 / P110

Product Name

L80/80 Tubing Coupling with API8rd Eue and Nue

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 Material: Manufactured from L80, N80, J55, K55, P110 grades complying with API 5CT standards.

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

Specialized Customization: Custom couplings available including special-clearance, reducing, and seal-ring types.

Corrosion Resistance: Treated with phosphating or copper plating for excellent abrasion and corrosion resistance.

Comprehensive Size Range: Sizes available from 1-1/3 inch to 20 inch for both tubing and casing applications.

Strict Quality Control: Production follows ISO 9001:2008 with third-party inspections by BV, SGS, and TUV.

1-Year Warranty Coverage: Includes 1-year warranty with online technical support for all mechanical equipment.

OEM and ODM Services: Full customization, minor customization, and flexible customization options available.

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: ≤1.85h

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.

Product Q&A

Q:How do I place an order?

Please send an inquiry with detailed item description or model number. We will provide an order form and recommend the most suitable model based on your requirements.

Q:What is the quality standard?

All production strictly follows ISO 9001:2008 and API standards. We welcome third-party inspections from BV, SGS, and TUV.

Q:What are the payment methods?

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

Q:How are samples and bulk orders shipped?

Samples are shipped via courier (DHL/UPS/TNT/FEDEX) or air. Bulk orders can be shipped by air or sea.

Q:Do you offer customization?

Yes, we offer full customization, minor customization, and flexible customization from samples or designs.