How do you guarantee product quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.

What packaging services do you provide?

We provide free packaging in wooden boxes, wooden pallets, iron boxes, or iron pallets.

API Petroleum Coupling 2-3/8 EU L80-1cr Hardware Tools Geological Mining Casing Coupling

Name: API Petroleum Coupling 2-3/8 EU L80-1cr Hardware Tools Geological Mining Casing Coupling
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2114296412

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

US$15.00

20-99 Pieces

US$14.00

100+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Products Name

API Petroleum Coupling 2-3/8 EU L80-1cr Hardware T

Used for

Oil Drilling and Production

Size

2-3/8”

Model NO.

2-3/8

Grade

L80

Color

Red

Surface Treatment

Phosphating

Stock

500

MOQ

Transport Package

Wooden Box

Specification

2-3/8”

Trademark

EASTLONG

Origin

Henan, China

HS Code

7307990000

Production Capacity

20000/Year

Key features

API 5CT Certified Quality: Manufactured to strict API 5CT standards for reliable oil pipeline connections.

OEM Customization Support: Accepts OEM orders to meet specific branding and product requirements.

15+ Years Manufacturing Experience: Over 15 years of expertise in producing API couplings and related hardware.

Strict Quality Control Process: Includes pre-production samples and final inspections before shipment.

Diverse Material Grades: Available in J55, K55, L80, N80, and P110 grades for various applications.

Flexible Payment Terms: Accepts T/T, L/C, D/P, D/A, Cash, USD, EUR, and CNY currencies.

Global Market Presence: Sells to North America, Middle East, South Asia, Eastern Europe, and more.

Comprehensive Product Range: Offers couplings, reducers, short sections, and drill rods with good feedback.

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: ≤15hTerms 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.