What are the main markets for these products?

Our main markets include North America, South America, Europe, Asia, Africa, and Oceania.

What manufacturing process is used for the coupling?

The coupling is manufactured using CNC milling processes with precision equipment.

What is the surface treatment of the product?

The product comes without additional surface processing as standard.

API 5CT Casing Coupling 9 5/8 L80 Eue

Name: API 5CT Casing Coupling 9 5/8 L80 Eue
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2143130022

Tianjin, ChinaTianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.

US$20.00

1 Piece

Sample price:US$20.00/piece.Request sample

Product profile

After-sales Service

12 Months

Warranty

12 Months

Manufacturing Process

CNC Milling

Surface Treatment

Without Processing

Operation Pressure

1 PCS

Material

1 PCS

Color

Green

Certification

API

Transport Package

Pallet

Specification

3-1/2 EU/N80/PSL-1

Trademark

east long

Origin

Tian Jin

HS Code

7307990000

Production Capacity

10000

Key features

High Production Capacity: Annual output of 3.6 million collars and 1.7 million nipple sets via automated lines.

Advanced Manufacturing: Equipped with 66 precision CNC lathes and intelligent painting and sanding lines.

12 Months Warranty: Comprehensive 12-month warranty coverage for all manufactured products.

API Certification: Products meet API 5CT standards with specific API certification options.

Custom Color Options: Green color customization available for specific product requirements.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Large Factory Scale: 51,300 square meter facility including R&D center and exhibition halls.

Global Export Experience: Exporting to North America, Europe, Asia, Africa, and Oceania since 2019.

Company profile

Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2019-06-07Nearest Port: TIANJIN PORT, QINGDAO PORT, SHANGHAI PORTAverage Response Time: >24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryTianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd. is a China-based manufacturer founded in 1999, focused on oil pipes, pipe fittings, drilling and production tools, and petroleum automation equipment. The supplier reports ISO 9001 and ISO 14001 certification, 10 production lines, 11–20 years of R&D engineer experience, and 11–20 quality-control staff. It states that its capabilities cover design, development, manufacturing, testing, experimentation, and full-cycle service, supported by more than 30 independent intellectual property rights and an intelligent workshop. The company exports to broad global markets and reports export activity since 2019, but the provided information does not identify specific customer cases or independently verify the stated capabilities.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Tianjin, China. Its stated business focuses on petroleum equipment, oil pipes, pipe fittings, drilling and production tools, and automation equipment, matching the listed industrial product categories.

CertificationsThe supplier reports holding ISO 14001 and ISO 9001 management-system certifications. These are explicit certification records in the provided data, although certificate scope and validity dates are not given.

R&D capabilityThe supplier reports more than 30 independent intellectual property rights, an intelligent workshop, numerical-control automation equipment capabilities, an e-commerce platform, and recognition as a national science and technology-based small and medium-sized enterprise. These statements provide explicit evidence of innovation-related infrastructure and activity.

Production capacityThe supplier describes an integrated chain covering design, development, manufacturing, testing, and experimentation; operates 10 production lines; and has an intelligent workshop. It also reports oil equipment and pipe-related manufacturing experience, with stated order fulfillment within 15 workdays in both off-peak and peak seasons, supporting a positive production-capability assessment.

Customization capabilityThe stated full-cycle integration of design, development, manufacturing, testing, and experimentation, together with numerical-control automation equipment and an intelligent manufacturing model, indicates the ability to develop and manufacture tailored petroleum equipment. However, no specific customized project examples, engineering-change process, or minimum-order requirements are provided.